Foursquare vs. Gowalla: Who's Winning the Geolocation War? [INFOGRAPHIC] Ben Parr is an award-winning journalist, entrepreneur, investor, and expert on attention. He is the author of "Captivology: The Science of Capturing Peopleâs Attention". He is Managing Director of early-stage venture firm Rostrum Capital and the founder of Parrticipation, a marketing advisory firm. Previously, he was co-found


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