Everybody knows your name (also phone number and probably other stuff)

Hundreds of millions of Facebook users' phone numbers exposed

"The unanswered question remains: regardless of whether Facebook's claim that "the future is private" is believable or not, is it actually too late for Facebook to repair the damage already done?"

http://bit.ly/2UEcxeB

Of course, phone books. For landlines at least it's been possible to match names and phone numbers for a very long time. What's different here is the universality of it all, and speed. What used to take a very long time and lots of money can now be done free in a flash.