A note is preciously displayed under glass and a microcomputer broadcasts informations on an LED screen: you are approaching the note, it is a forgery, the currency is not in euro or in dollar, it is a Facebook Like. On the LED screen, as at the stock exchange, the microcomputer manages the display of a curve. This curve is a representation of the exchange rate of the Like, with its value in euro that evolves over time. Like is directly connected to the exchange rate of the Facebook action to extract in real time the financial value of a Like of a Facebook page.
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