Location-based social network Foursquare is looking at ways to build ads into the user experience down the road, but at the moment it's all about gathering data. Participating companies are offering brand badges, specials for the "mayor" of a given destination and other promotions. "At this time, we're leaning toward passive," Foursquare's Tristan Walker says. "Brands would rather not get too aggressive."
Published in Brief: