As one of the hot social-location properties, Foursquare has a wealth of information about where you go. Unfortunately, it doesn’t really offer many good ways to visualize it. In fact, Foursquare only focuses on providing a text stream of your check-ins. A new app takes that data and puts it on a map. 4mapper, built by John Wiseman, is a very simple application. Once you authorize it to use your F
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