Foursquare is similar to the new “places” function in Facebook. You check in at your location and let your friends know where you are. So beware who you add. It’s a great way to see what your friends are up to, who’s nearby, or even network for business owners. You get points for certain check ins, and whoever has the most check ins at one location becomes the mayor. I’m Mayor of some place called Cactus Jacks. Dunno what that is but I accidentally checked in there. It can get really fun. Check it out
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