Nobody talsk about it not so much due to poltial reaosns but becasue lets face it: nobody wants to put in doubt his habit of following a quesitonable hobby, obsessio, tick - however you call it: because what is they key problem at the vey root of it all is the highly dubious, questionable business model of companies like Facebook.
That the 10% loss in stock values has been decrypted to represent a value loss of 500 million means that the "company" named Facebook is rated to be valuable 5 billion bucks.
A company that produces nothing and creates no material or intellectual values - should be worth 5 billion?
People, get back to your senses. Its either a giant fake, or an imminent danger.