Make facebook application work multiple languagespekerjaan

I'm in need of a skilled Full-stack Developer to build a social network website from scratch. This site will serve as a...performance. Ideal freelancer's skills and expertise: - Extensive experience in full-stack development, including both front-end and back-end tech stacks. - Proficient understanding of web markup, including HTML5, CSS3, and JavaScript. - Strong knowledge of server-side MVC frameworks. - Experience in user authentication and authorization between multiple systems or servers. - Understanding of fundamental design principles behind a scalable and reusable application. -react the best its a team not just freelancer i share the design here

... Shopify Store Design: - Create elegant, seamless navigation that provides clear paths to purchase. - Promote trust in our brand across all website touchpoints. Required integrations: -E-Commerce Integration -Invoicing system -Payment system -Dropshipping -Whatsap Chatbot Integration - Email marketing integration - Inventory management system - Integration with social media sales channels (Facebook, Instagram, etc.) Ideal Skills and Experience: - Proven track record in designing Shopify stores with physical products. - Skilled in creating a compelling brand identity using existing brand guidelines - Experience in integrating an email marketing platform, inventory management system and social media sales channels into Shopify. Estou procurando um designer de loja experiente ...

I require a skilled translator to convert a Mandarin audio file into English text. - The audio file is of general conversation type and has a duration of less than an hour. This is not a technical or legal document, but a casual, everyday conversation. - The ideal candidate should have demonstrated experience in translating Mandarin audio to English, with a strong grasp of both languages' nuances and colloquialisms. - Familiarity with conversational Mandarin and English is paramount, so the translated document maintains the casual tone of the original audio. - Accuracy and attention to detail are key as I need the translation to truly capture the essence of the conversation. Your role will involve listening to the audio file carefully and providing a detailed, accurate ...

...Teams or Zoom for meeting data * Transcription of meeting audio and video * Analysis of meeting transcription for insights and keywords Virtual Meeting Transcription and Analysis Component: Analysis Service * Processing and delivery of insights and keywords from meeting transcription * Integration with Azure Cognitive Services for NLP and machine learning Additional Features * Support for multiple languages and locales * Customizable user interface and branding * Integration with other Microsoft tools and services (e.g., Office, Azure) * Security and compliance features (e.g., encryption, access controls) On-Prem Client: * Quivr Agent * Programming Language: C# or C++ * Framework: Windows Desktop (.NET Framework or .NET Core) or macOS (Xamarin or macOS SDK) * ...

I'm looking for an experienced developer to a piece of software for my jewellery repair business. I do work for several stores and they each send me multiple jobs per week. Some of these jobs are ok to just do, however some require quotes/estimates. I need software that will let my customers log in to a portal and view and be able to proceed/decline and comment on each individual estimate. I would like them to get notified of each estimate to their email and also for my email to be notified whenever they proceed/decline or comment on an estimate Key Requirements: - The software could be designed primarily for use on the web or an app - The main purpose of the software is allow customers to each have there own portal where jobs can be viewed and any proceed or comments wi...

...individual set from UI c. the final product price (my retail price) should be higher of price_cost_based or price_retail_based • the price rule defined in this module should be executed each time the product importation module is running. It should be also able to executed manually at any other time. 3. Fix product indexing problem. The search function (by search bar under header) does not work. 4. Add some codes to make ¨add to the cart¨ button always float at product page when the built-in add to cart widget disappearing 5. Fix problem of ajax add to cart. The cart wont update after clicking add to cart button until refresh the page. 6. Fix the problem of mega menu on mobile devices. It does not show. Installation of the megamenu module caused problems speci...

This project is to create the first promotional video to run on Facebook/Instagram/website or any other digital platform

Necesito crear unas campañas publicitarias en facebook e instagram para promocionar mi empresa y conseguir clientes.

Crear una pagina de Facebook donde pueda buscar concesionarios para la apertura de expendios, que pueda publicar direcciones y contactos de los concesionarios. No muy costoso ya que esta herramienta será cubierta por un servidor.

Hi Vipul, we need some additional work done on both apps. It will be fixed price project to add new feature in both our apps. Thanks.

I am in need of a Python expert to create a program that will handle multiple tasks concurrently via workers (multi process) I already wrote a task manager using threading and async, I just want to make sure I have no race conditions, avoid deadlocks and improve logic and preformance.

I'm looking for a talented Telegram Bot Developer to work on an existing project. This bot is already fully functional and being used by clients but it needs further updates/improvements. This is an ongoing project so you will get future work. the existing developer is currently not available so I will need you to pick up where he left off. You need to be highly skilled in this area of work. Do not bid if you only think you can do it I need excellent results. You can view info about my bot here Summary about the bot It allows people to link a panel to the bot, this panel offers a subscription service for their customers and the bot automates everything for the users. The bot currently works with PayPal and Stripe. The bot has 3 different types of users

I'm in need of a Windev developer who specializes in reverse engineering of Windev appl...engineering of Windev applications. The tasks primarily include software development, and troubleshooting and debugging of the application. Key Requirements: - Specialization in reverse engineering of Windev applications - Proficiency in software development and able to troubleshoot and debug when necessary This project is ideal for a Windev developer with a keen eye for detail and extensive experience in reverse engineering. The ability to quickly adapt to the existing application's code structure is a must. I have a ready-made windows application, I want to make some changes, but we no longer have source files. I need someone to reverse-engineer this desktop app...

...managing and optimizing ads for eCommerce stores, specifically to drive sales. The project entails focusing on platforms such as Facebook/Instagram, Google, and TikTok. The target audience for these ads are individuals aged between 25-44 years. Key Responsibilities: - Create, manage and optimize ad campaigns to increase sales on my eCommerce store. - Tailor the ads for platforms such as Facebook/Instagram, Google, and TikTok. - Identify and target the right audience within the 25-44 age group. Ideal Skills and Experience: - Proven track record in managing eCommerce ads, with a focus on increasing sales. - In-depth knowledge and hands-on experience with Facebook/Instagram, Google, and TikTok advertising platforms. - Understanding of audience segmentation and target...

I'm seeking a Facebook Ads expert to generate leads for my family law services. My primary services are related to divorce, child custody, alimony, adoption, and inheritance disputes. Key Requirements: - Experience with running lead generation campaigns on Facebook - Familiarity with the legal industry, particularly family law - Proven track record of successful lead generation in the services sector Target Audience: - People in need of family law services, particularly those dealing with divorce, child custody, alimony, adoption, or inheritance disputes - Age group: Advocacia na área de Família: divórcios, pensões, guarda de filhos etc. Your responsibilities include: - Developing a comprehensive Facebook Ads campaign with a focus ...

configure haproxy with my VPS (digital ocean) - I have multiple applications - vue and django - for development Request: - configure domains and subdomains for applications - link domains wiht docker services or containers - configure Lets enctypt certificate

Sila Dafter atau Log masuk untuk melihat butiran.

...and need an expert who can create appealing ads for Facebook and Google to boost our visibility and increase our online orders. You should be results-oriented and have a successful track record in creating effective ads for restaurants and takeaways. You should have an understanding of how to capture the essence of our restaurant and highlight our key selling point: our delicious food. Here's what I specifically require: - Attracting local customers as well as tourists and visitors using targeted ads. - Goals of the advertising campaign include increasing website traffic and boosting online orders. - Emphasize on our unique selling point – our incredible food. The ideal freelancer will have superb knowledge of both Google and Facebook advertising platforms ...

I'm on the hunt for diligent freelancers who can assist me with a straightforward, but important task involving copying and pasting text. Unfortunately, I've opted to keep the exact destination for the text undisclosed for now. Similarly, my timeline for project completion remains unspecified as of now. Your major responsibilities will include: - Carefully copying specific text - Precisely pasting copied text to an undisclosed location Please note that being able to complete this task quickly and efficiently will be advantageously looked upon, even though no official deadline has been set.

I'm looking for a proficient AI bot developer to create a versatile and functional AI bot. The bot will pe...Ensure the bot's smooth and efficient performance - Integrate the bot into the desired platform (website, mobile app, or desktop application) Ideal Skills and Experience: - Proven experience in developing AI bots, especially for multiple tasks - Strong understanding of customer support systems, data analysis, and voice recognition technology - UI/UX design skills to create a simple and minimalistic interface - Proficiency in integrating the bot into different platforms - Excellent problem-solving and communication skills If you have the skills and experience in the aforementioned areas, I'd like to hear from you. Please include examples of your prev...

Necesito un profesional experimentado en el ámbito de la publicidad online, particularmente en Facebook, Instagram o Google Ads. El objetivo principal de esta campaña será impulsar las ventas para mi clientela, las agencias inmobiliarias. Las responsabilidades clave para este proyecto incluyen, entre otras: - Elaboración de estrategias e implementación de campañas publicitarias online efectivas. - Fomentar la visibilidad de la marca y generar oportunidades de ventas. - Monitorear el rendimiento de la campaña y optimizarla para obtener mejores resultados. Tenga en cuenta que el presupuesto para este proyecto lo proporcionará el cliente, por lo que su atención debe centrarse en obtener resultados de alta calidad. La expe...

...processes. 5. Detailed view of specific process information. 6. Temporary storage of uploaded files in the browser. 7. Functionality to delete data being processed and start a new analysis. 8. Automatic process to delete old records from the database. 9. Recording of deletions for audit and regulatory compliance purposes. Technical Requirements: - Development in Java, NodeJs, or Python languages. - Implementation of API for file processing and database access. - Data storage in a database. - Data security and encryption. Expected Deliverables: - Complete development of the Colombia Rama Judicial file analysis system. - Implementation of user interface and specified functionalities. - Exhaustive testing to ensure the quality and accuracy of the system. Additi...

...showcasing and selling products, so it needs to be user-friendly, efficient and secure. Key Project Requirements: - The website needs to support 100-500 products. - The primary payment methods we're looking to integrate are Credit/Debit cards, and a custom payment system. Ideal Skills and Experience: - Prior experience with large e-commerce website development - Proficiency in integrating multiple payment gateways into a website - Strong understanding of user experience and security protocols - Ability to design a system that can manage our physical and online inventory effectively - Expertise in vue js, react js, tailwing css, php, core php, mysql, aws, laravel and bagisto If you have a track record in building scalable e-commerce platforms with similar requirements, ...

-------Max budget $50------- Project Description I'm currently in a bit of a tight spot. A Windows Server 2016 web application () was recently moved from a US provider to the by a non-professional freelancer. Unfortunately, after less than a week, the system has stopped working. I found out recently he has installed the application in Linux instead of Windows against my guidelines. In light of this, I am seeking a highly skilled professional to help me reinstall the system and rectify all the problems at hand. The job involves the following steps: 1) Change the OS from Linux to Windows Server 2016 or Higher (This may cause the data to be erased. In this case use the copy of the site and reinstall 2) Download Windows Server 2016

...wide-reaching digital advertising campaign. The key aim is to greatly enhance our brand's visibility in the face of stiff competition. Key Project Elements: - Creating compelling ads for Google, Facebook, and Instagram. This will involve a keen understanding of how marketing and algorithms function on each platform. - Ensuring demographic targeting is optimized for ages 18-44. Your knowledge of interests and trends across these age groups will be beneficial. The ideal candidate for this project is someone proficient in digital advertising, with demonstrable experience in captivating audience across Google, Facebook and Instagram. I'm seeking expertise in market research and in creating ads that are not only visually appealing, but that efficiently convey the...

I'm in need of a logo to represent my brand across various platforms - website, business cards, social media, as well as on shirts and hats. My business industry is pressure washing, and I would like the logo be the name X7 Softwash, and it surrounded by elements relevant to pressure washing. I have attached a ChatGPT generated logo as a generalized concept, however it is not exactly what I'm looking for, but instead only a rough idea as to how it could look. - The only words in the logo are X7 Softwash - The colors are Blue, White and Black. - Water, Water drops, Bubbles and a pressure washer wand spraying water, would be ideal for elements. - I can spot an AI generated logo a mile away, so feel free to use that for inspiration, but not the final project. - The logo needs to...

...for automatic invoice creation. Managers can then authorize on Quickbooks before sending. Key Functionalities: - Creation and Editing of Job Cards: The system should enable the easy creation and editing of job cards through a user-friendly web form by both employees and managers. Employees can then select their name from a drop-down combo box if they have worked on the job. Single or multiple employees may work on one job with the ability to add 'batches' of labour hours as and when the job is worked on. These hours must then be totaled on completion. - Ability to edit / create job cards on-site through iOS App or web-based form. Some employees are workshop based, others are mobile. - Ability to select a simple job status from a drop-down combo box eg. In-progr...

Project Description: I need a developer to create a system that queries multiple external sources (18) through APIs, web scraping, and web page reengineering processes to extract information and structure it in the expected format. The system should generate a record of each query made, indicating whether results were obtained, no results were obtained, or if the source was not available. A document detailing all the sources of information from which data should be extracted will be provided. Main Features: 1. Automatic Querying of External Sources: Perform queries to multiple external sources according to the provided specifications. 2. Data Structuring: Process the obtained information and structure it in the required format. 3. Query Log Generation: Create a detailed log...

...the logo is minimalistic, hence I prefer a design that is clean, simple, and modern. Additionally, I would like the color scheme to be cool tones, mainly focusing on blues and greens. The ideal logo should be versatile and suitable for multiple applications. It should be able to be used on business cards and print materials, as well as across all digital platforms such as social media and email signatures. Skills and Experience: - Proven experience in logo design, especially in minimalistic styles - Strong understanding of color theory and the ability to work within a specified color palette - Prior experience in designing logos for web applications and digital platforms - Excellent communication skills to understand and translate my vision into a visual representation....

I'm in need of a Progressive Web Application (PWA) for collecting survey responses towards an onboarding process. The application will feature: - A mixed set of survey questions, including both multiple choice and open-ended questions. - Responses will be sent to a Google Sheet for easy management. - Integration with a payment gateway after the survey for users to proceed with payment. - Survey responses should not be anonymous. The ideal freelancer for this project should have experience in developing Progressive Web Applications (PWAs) and integrating them with Google Sheets and online payment gateways. They should also be able to implement a mixed survey layout and ensure that the survey responses are not anonymous.

Search for commercial loan officers on linkedin and fetch contact First and Last name, bank name, cell number or direct work number i need working direct number only one not multiple The counties are in: Citrus Hernando Sumter Pasco Hillsborough Pinellas Lake Polk Orange

I'm seeking an experienced freelance translator to convert my Chinese language marketing flyer into English. This flyer is targeted at corporate employees within construction / industrial. Key Experience: - Proficiency in Chinese and English languages, particularly in a corporate and technical context. - Extensive experience translating marketing materials from Chinese to English. - Familiarity with industry-specific technical terminology. Requirements: - Translate the flyer while maintaining the industry-specific verbiage. - Ensure that the translated flyer maintains its marketing intention and appeal to corporate employees. - Deliver a coherent and error-free translation that preserves the original tone and message of the flyer. If you have the skills and experience to un...

I'm i...USA-based company. Specifically, I'm looking for someone who is adept at: - Keyword research and optimization - On-page and off-page SEO optimization The main goals of the SEO campaign will be to: - Increase website traffic - Improve search engine rankings - Generate leads and conversions Additionally, there will be a strong emphasis on Social Media Optimization (SMO), focusing primarily on: - Facebook - Twitter - Instagram Ideal candidates will have proven experience in SEO, SMO, and social media platform optimization. They should have a track record of driving traffic and improving rankings on major search engines, as well as generating leads and conversions. Your location within Bangalore is pivotal for regular onsite meetings. Familiarity with the US m...

...including API Gateway, Lambda functions, DynamoDB, and IAM roles. 2. Develop a wrapper in CDK to orchestrate the deployment of the serverless components by calling the construct to create a CDK stack. 3. Ensure that the deployed stack includes all necessary resources for the API functionality. Tools: 1. Infrastructure: AWS CDK with TypeScript. 2. AWS Lambda: Node.js, Python, or other supported languages. Considerations: 1. Implement least privilege access for IAM roles to follow security best practices. 2. Secure the API endpoints to protect the data and ensure confidentiality and integrity. Submission Deadline: Please submit a link to your code repository on GitHub by noon the day prior to your interview. The code should include your CDK constructs, wrapper, API implementatio...

I am in search of a professional coder with proficiency in a variety of programming languages to assist me in several ongoing and upcoming projects. The nature of the tasks may vary from website development to application development and data analysis. I need a versatile individual who can adapt to different project requirements and deliver high-quality results. The key functionalities and features required for these tasks may include user authentication, database integration, and payment processing. Ideal candidates should possess: - Strong coding skills in Python, Java, and JavaScript - Experience in website development, application development, and data analysis - Proficiency in user authentication, database integration, and payment processing - Ability to deliv...

...videos. This position requires a skilled writer who can convey complex ideas in an engaging manner, tailor content to various platforms, and adapt to the CEO's voice and tonality. Your work will play a pivotal role in our content strategy, directly contributing to the CEO’s personal brand and thought leadership in the industry. To be successful in this role, you need to demonstrate excellent writing skills, but also be independent and proactive, someone can consistently deliver content on schedule and in great quality. You will also collaborate with other members of the marketing team on design and editing work. This will be a remote-based, part-time position, with approximately 15-25 hours per week, with the possibility to expand to a full-time role as we ev...

...an Android app developer to create a minimalist style application. There will be no need for incorporating in-app purchases. This is a university project, but due to busy schedule I couldn't complete it. I have a deadline until 2 weeks(May 27 2024). The users of the app are Students and recruiters. It needs to be developed from Java language and Firebase as data base language(recommended) for storing any data. The app should only have following features, and no other graphics or extra designing is required. students can:  Browse and search for job opportunities posted by various companies.  Apply for jobs and upload their resumes and other documents.  Schedule and attend online interviews and tests.  Track their application status and receive feedback from...

My middle school (grades 5-10) teaching role requires an Educator who can assist me in teaching multilanguages. Specifically, I n...help in Spanish, French, German, Chinese, Japanese, and Italian, as well as guidance in personality development. Ideal Skills: • Certified teacher or language instructor • Multilingual in listed languages • Middle School teaching experience • Strong understanding of language teaching techniques • Experience in personality development education Responsibilities include: • Creating compelling language and personality development lesson plans • Assessing student progress • Implementing teaching strategies for effective learning. Looking forward to your bid if you would love to make middle s...

I am starting a new T-Shirt b...lifestyle. The main goal is to generate interest and drive sales among the 18-24 age group. Key Responsibilities: - Creating a product promotion ad for a T-Shirt startup. - Ensuring the advertisement is lifestyle-focused, appealing to the target audience. Skills and Experience: - Proven track record in creating successful product promotion advertisements. - Strong understanding of Instagram and Facebook advertising. - Experience in targeting and engaging with the 18-24 age group. - Must have a creative eye for lifestyle-focused content. - Ideal if you have experience in working with startup brands. I am looking for someone who can bring their expertise to the table and help me create an advertisement that resonates with my target audience and dri...

...off-page SEO, and social media optimization activities. Your duties will include: - Weekly posting on various, yet unspecified, social media accounts - Creating promotional backlinks - Submitting weekly updates in an excel sheet Despite the target platforms and audience not being specified, the ideal freelancer should have a broad understanding of various platforms (including but not limited to Facebook, Instagram, and Twitter) and be able to adapt to varying target audiences. The primary goal of this campaign remains undefined, so a flexible approach to either increasing brand awareness, generating leads/sales, or building an online community would be advantageous. Your experience in social media marketing, SEO, and digital analysis is critical for this project. Looking...

...robust object recognition system for me. The key tasks for this project are as follows: - Create a Python code able to recognize and detect people and vehicles. - The code not only needs to detect these objects but also provide specific information about them, including flagging any instances of jumping signals via license plate detection. - Additionally, it should be able to identify instances of multiple riders on two-wheelers, whether the riders are Indian or foreign, again using license plate detection. Algorithm 4 different Deep learning Algorithm and tell the best * Yolo * other than Yolo any 3 Deep learning network model The ideal freelancer for this project should demonstrate previous experience in Python coding, exceptional competency in object recognitio...

Project Description: We're embarking on an exciting initiative to establish a robust lead management system across Facebook, Instagram, and Google Ads. Our aim is to elevate our digital presence and drive high-quality leads to our business/website. Key Features Required: *Engaging Lead Capture Forms: Your task involves crafting captivating lead capture forms to attract potential customers effectively. *Comprehensive Lead Tracking and Analytics: We seek detailed insights into our leads' behavior and preferences, empowering us to refine our strategies for optimal results. *Strategic Lead Nurturing Workflows: You'll develop nurturing workflows to maintain active engagement with leads and guide them seamlessly through the sales journey. Primary Project Goals: *Increa...

...community manager con experiencia que pueda ayudarme a impulsar las ventas y las conversiones en Facebook, Instagram y TikTok. Responsabilidades clave: - Interactuar con nuestro público objetivo: tengo un grupo demográfico específico en mente y necesito a alguien que pueda adaptar nuestras estrategias de marketing a ellos. - Impulsar las ventas: nuestro objetivo principal es aumentar las ventas y las conversiones, por lo que la persona que contratamos debe tener la habilidad de comprender qué contenido resuena con nuestro público objetivo y cómo aprovecharlo para las ventas. Habilidades ideales: - Experiencia en la gestión de cuentas de redes sociales: debe tener experiencia concreta con Facebook, Instagram y TikTok, y pr...

...e-commerce website. The payment methods must include credit card and debit card transactions. I don't have a preference for the payment processor at this moment and am open to suggestions. Ideal candidates will: - Have an intricate understanding of Payment Gateway Integration - A background in e-commerce website management is an added advantage. - Possess advanced skills in relevant programming languages. - Be able to complete this project ASAP. Your duties will involve: - Establishing a responsive, manual payment dashboard. - Ensuring the integration of credit and debit card payments. - Recommending and integrating a reliable payment processor if needed. Speed and efficiency are key. Your understanding of this project will be measured by your ability to deliver a functi...

Need urgent. Will start working now. As a Laravel specialist, you'll be tasked with front-end development, backend development, and bug fixing, driving improvements...Will start working now. As a Laravel specialist, you'll be tasked with front-end development, backend development, and bug fixing, driving improvements for our existing Laravel application. Key responsibilities will feature both client-side and server-side web development to optimize our application's functionality. Though no specific Laravel packages have been designated, demonstrated experience with popular Laravel packages might be beneficial. With your Laravel skills, our application will provide a more seamless user experience, expanding its capabilities while squashing existing bugs. Let...

... You will be tasked with writing blog articles that will engage and inform our target audience while also boosting our search engine performance. Key Responsibilities: - Writing articulate and informed blog posts on multiple topics - Optimizing content using SEO best practices. Ideal Skills and Experience: - Proven experience as an SEO writer. - Versed in Software Review, Tech, and Normal content. - Previous experience writing software reviews is highly advantageous. - Understanding of SEO principles and tactics. Budget - $3-4 for 1000 words Task - There will be multiple blogs in a week. So, there will be more projects, if you can provide quality content! NOTE - CONTENT WILL BE CHECKED THROUGH ORIGINALTY AI, COPYLEAKS, COPYSCAPE, TURNITIN. SO NO AI CONTENT AND PLAG WI...

More details: Which platform do you want the application to be developed for? Both What primary features do you want in your online retail application? User registration and login, Product catalog, Shopping cart and checkout How soon do you need your project completed? Within a month

Buscamos un especialista en Facebook Ads con experiencia comprobada en optimización de campañas. Necesitamos una revisión detallada de nuestras campañas actuales que no están cumpliendo con los objetivos de rendimiento esperados. El profesional seleccionado trabajará con nosotros de forma remota, accediendo a nuestros sistemas vía AnyDesk para realizar un diagnóstico completo y proponer mejoras. Si tienes un historial de éxito en la mejora de la eficiencia de los anuncios y una excelente capacidad analítica, te invitamos a postularte.

I'm in need of a detail-oriented freelancer to assist with data entry of numerical data. The details of the data, source, and number of fields or columns per entry are currently uncertain as the project is in preliminary stages. Key Responsibilities: - Enter numerical data accurately. - Be prepared to handle digital files or physical ...data. The details of the data, source, and number of fields or columns per entry are currently uncertain as the project is in preliminary stages. Key Responsibilities: - Enter numerical data accurately. - Be prepared to handle digital files or physical documents. Ideal Skills/Experience: - Proven track record in data entry. - Excellent attention to detail. - Capable of handling possible multiple data sources and fields. - Great organiz...

I am seeking a proficient digital marketer capable of effectively running a social media campaign across Facebook, Instagram, Twitter, and Youtube. The primary goals of the campaign are to increase brand awareness and generate leads. The strategy developed should cater to our target audience, which consists of teens and young adults, professionals, housewives, and students. Skills and Experience: - Proven success in digital marketing on all the mentioned platforms - Ability to reach and engage the identified target audiences - Exemplary problem-solving skills allowing for adaptive strategies - Proficiency in data analysis to track, evaluate, and adjust campaign effectiveness.