Some interesting statistics about profanity on Facebook. Some tidbits:

47% of our users have profanity on their Facebook Wall.

Users are twice as likely to use profanity in a post on their Facebook Wall, versus a comment. Whereas friends are twice as likely to use profanity in a comment on a user's Facebook Wall, versus a post.

The most common profane word is derivations of the "f-word". The second most common profane word is derivations of the word "sh*t". "B*tch" is a distant third

(Via GMSV.)