How your Facebook friends can know WHERE you’re doing what you should not be doing ….

So, everyone’s excited about the new Facebook Places, right? The Facebook service that lets you check-in, Foursquare style, at whatever hip Sushi bar/bicycle repair shop you happen to be in. Oh, and also other people can check you in, too.

via The First Thing You Should Do With Facebook Places: Don’t Let Other People Tag You.

This is a “must read” sort of article. Ignore at your own peril.