Swarm, the location-based social network formerly known as Foursquare, runs regular "Challenge" contests for impressive prizes, including vacations, cash and gift certificates for all sorts of funky junk.
Swarm isn't hugely popular. It's certainly no Snapchat, but the service averages nine million check-ins a day, according to Foursquare, Swarm's parent company. Swarm's user base is also loyal; those of us who still regularly tap the app are diehard.
Full story from the WindowsCentral blog...
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