[knzhou]

You mean the digital equivalent of a big book full of people's names and faces? That's an exact description of Facebook.

[adrr → knzhou]

Can Russia buy all facebooks data? How would their intelligence agency get photos and corresponding names from Facebook?

[knzhou → adrr]

For almost all people, name and profile picture are set public. It's an incredibly tiny fraction of all the data, which is why I'm amused at all the uproar. There really is very little you can do with that information.