TOR & IRC

The hidden service is apparently for sharing technical skills in hacking and the use of anonymity software.

Facebook and TOR

Facebook Software Engineer Alec Muffett had this to say about Tor-using “good” guys in the post:

People who choose to communicate over Tor do so for a variety of reasons related to privacy, security and safety. As we’ve written previously it’s important to us to provide methods for people to use our services securely – particularly if they lack reliable methods to do so.