Nice idea from US PC World site, asking for..
Social Networking Horrors, Faux Pas and Favorites

“Have you ever accidentally sent out a personal message as a bulletin to hundreds of people on Facebook? Have you ever accidentally made a private image into a very public one on MySpace? Or maybe you “added” some complete strangers just to pump up your friend count?”

The worst I’ve done recently is mention a critical product review in a blog to that product manufacturer’s global corporate PR only to find a few days later that the blogger is under a lot of pressure as a result. That’s the power of information! Apologies anyhow.