Keep in mind I’m reaching back into a moldy corner of my brain here so what follows is a bare bones summary of what I read. Basically, a team of researchers put up two display stands in a grocery store. The stands, if I remember correctly, were located at opposite ends of the store. One display had something like fifty varieties of mustard the shoppers could browse and buy.
First, I received an invite from the nice folks at diigo to play with their new social annotation, bookmarking service, which looks very useful,
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