Seven things you should never do on Facebook
Considering how much stuff like this there is to worry about, I’ll pass on it for now.
A late addition to this post, on 6/15/2011:
the Onion’s take on it:
Another interesting one, added 2/7/2012:
And then there’s this, added 10/02/2012:
Facebook Is Losing Your Mail in Hopes of Receiving More Bribes