Is Foursquare the next Twitter? Do you even know about Foursquare?

Many of you have heard the buzz about Foursquare, perhaps you’re even a part of this growing social network. (It’s not the popular schoolyard game, pictured here.) If you haven’t been paying attention, Foursquare is a social media tool that combines social networks with online maps and other features so users can tell friends their location and learn about nearby places. It is also giving companies a new way to market themselves. According to Crain’s Chicago Business , Foursquare is gro…