By Mark Prigg PUBLISHED: 13:25 EST, 25 February 2014 | UPDATED: 06:44 EST, 26 February 2014 Mark Zuckerberg and WhatsApp founder Jan Koum last night showed Korean popstar Psy how to Party - Facebook style. The party at Barcelona's Boujis restaurant, the sister restaurant of the London haunt that is a favourite of the young royals, was to celebrate signing the contract for the $19 billion sale of Whatsapp to Facebook and the 29th birthday of Zuckerberg's wife, Priscilla Chan. Also invited to the celebration was Korean, Park Jae-Sang, better know as Psy, the singer of the hit song Gangnam Style.
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Party just hours after pair addressed Mobile World Congress
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Boujis party to celebrate signing the contract for the $19 billion sale of WhatsApp to Facebook - and the 29th birthday of Zuckerberg's wife, Priscilla Chan
On the surface, Facebook and WhatsApp appear to hold divergent views on a number of matters, but @placeholder said the companies share a common vision in making the world more connected.