Hinsheri paradox
Named after the marketing guru:where a product you think is popular and everyone you know thinks it's popular, once stated,within a week it is taken off the shelves due to lack of sales.
Johnny:Wow. I love the new chocolate biscuits,everybody I know is buying them

One week later:
Jane: I see the hinsheri paradox is at work.your biscuits,you love so much have been discontinued.bummer dude