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From http://foursquare.com/universities
Foursquare for universities helps students, alumni, and staff connect with each other, find new and interesting things to do, and earn rewards for exploring their campus and nearby areas. We combine a communication platform and a campus guidebook to create a fun experience for our users; students earn points, win ‘Mayorships’ and unlock badges for checking in to places and trying out new activities on campus.
Universities such as Syracuse, Harvard, Stanford, and Texas A&M have already launched a foursquare presence, and engaged tens of thousands of their students.