Nearly two years ago, Foursquare spun its check-in game out as a separate service called Swarm. The move solidified the app as a light-hearted counterpart to Foursquare’s core business: recommendations and ad tech. A new addition to Swarm, however, could change that dynamic. Today, the company announced Swarm Perks, which Foursquare defines as “deals, discounts, challenges, and prizes.” There are two sides to […]