The Foursquare mobile check-in service has just launched v3.0 of its mobile app, the biggest update the company has ever launched. Foursquare employees have been working around the clock to finish the update in time for SXSW, in what co-founder Dennis Crowley calls Foursquare’s “shock and awe” campaign. The company is focusing on the potential of near field communication in this new update. Below, you can see the Foursquare team up past midnight, celebrating as the update launched. Read on past the cut for more details.
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