it'll be one of a few things.
People boasting about drugs or other illegal activity.
The lad at work that phoned in sick on Friday, went out to a swing party Friday night with crap loads of photos on Facebook and then phones in sick again on the Sat.
Or maybe one of the many couples that I've seen break up, call each others ****s and other lovely respectful names, then get back together a week later.
There's lots more on there. I've actually deactivated my facebook account, I made a second to run my photography page but my main one's been closed about a week now, and I don't really miss the ****