I’m still acquiring info about the notorious Facebook second-hand. Here’s one recent article:
Seven things you should never do on Facebook
http://sg.news.yahoo.com/blogs/fit-to-post-technology/seven-things-never-facebook-20110225-033737-441.html
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:
http://www.youtube.com/watch?v=M5tzxwqk578
Another interesting one, added 2/7/2012:
http://readersupportednews.org/opinion2/276-74/9803-focus-facebook-is-using-you
And then there’s this, added 10/02/2012:
Facebook Is Losing Your Mail in Hopes of Receiving More Bribes
http://www.fair.org/blog/2012/10/02/facebook-is-losing-your-mail-in-hopes-of-receiving-more-bribes/