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"Microsoft just became a Foursquare investor and the startup's biggest source of revenue, as noted by The Wall Street Journal. The two companies have reached a licensing agreement that ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/microsoft/2014/02/04/microsoft-signs-deal-license-foursquares-location-data-invests-15-million-company/>