Swarm by Foursquare is a new social checkin and meetup up for iPhone. At first I was a little stumped. Why would I need Swarm my friends and I already use Foursquare. However, as I started using Swarm I started to change my mind. It's a different app and it's useful for something that's both similar and yet very different from Foursquare ? seeing what your friends are up to figuring out how and where to meet up with them.
Full story from the iMore Blog...
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