1. Happy 4sqDay 2012 from HQ!

    02:32

    from Foursquare Added 11K 78 0

    In 2010, foursquare fans declared April 16 4sqDay (4/4^2 – nerds after our own heart!). Two years and two billion check-ins later, you’re still why we get out of bed each day. Thanks to…

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