Anonymity

an·o·nym·i·ty Pronunciation Key
n. pl. an·o·nym·i·ties

1. The quality or state of being unknown or unacknowledged.
2. One that is unknown or unacknowledged.

extracted from dictionary.com

The wonders of internet... allowing a person to freely express their feelings and opinion about something that usually one would be reserved to do.. especially on sensitive issues.. i.e. Shut the f*ck up, Jun!