Foursquare has today released an update for Swarm, the company’s social check-in app, that brings far more of the delightful gamification of the old Foursquare back to the service. But today’s update is just a pre-amble to version 3.0, which will be released in the coming weeks, and will include Mayorships within the entire Swarm community, as well as a leaderboard between friends… Read More