Mr. Twister

Криптографичненько -- Users of Facebook Inc's Android app can now privately browse the world's largest social network through the anonymity service Tor, the company said on Tuesday. The feature expands a collaboration that allowed Facebook users to directly access its site via Tor's browser on personal computers.
Минуточку, разве в Фейсбуке не обязательно указывать подлинные имя и фамилию?
Конечно, обязательно:
"We require people to provide the name they use in real life"

Nobody specified how often. :)