I need someone to research small and big "Tricks of the Trade", small bits of insider knowledge.
See this article for reference what I'm talking about: [url removed, login to view]
But: The tricks have to be a little bit manipulitive, meant to trick the customer into buying or clicking or selling or whatever. Tricks should be described shortly in simple english and referenced (link or book). They should also funny and/or surprising and/or interesting -- and as varied as possible (from many professions).