BERLIN, GERMANY - FEBRUARY 20: In this photo ilustration, the WhatsApp startup screen is seen on a Blackberry Q10 mobile phone on February 20, 2014 in Berlin, Germany. The social network company Facebook has agreed to purchase the largest mobile message service, WhatsApp, for at leastt USD 16 billion in cash and shares. (Photo Illustration by Adam Berry/Getty Images)
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Getty Images News Adam Berry