We know teens aren't that into Facebook anymore. Now we have some fairly stunning data from iStrategyLabs to back that up.

Facebook is a godsend for Baby Boomers out of the workforce or stay-at-home moms, particularly in small cities or towns, but it's a liability for young people.

Not a week goes by without another story of an adult doing something colossally stupid on social media and paying the price. So why in the world did Facebook think it advisable to allow 13-year-old kids to make their pictures and status updates public?