Remember the last time you rolled went out of an all-you-can-eat buffet? Right. If you now have a smile of embarrassment on your face, I think you got the message, and can skip the rest of the article. My only point here is: the business model shapes the behaviour more than the product. Yep, most likely these sushis you binged were nothing more than average - but their marginal cost went to zero the moment you stepped in the restaurant. The business model shaped your behaviour, not the produc...