Mobile World Congress 2014 - Day 1

BARCELONA, SPAIN - FEBRUARY 24: Whatsapp CEO Jan Koum during a Keynote conference as part of the first day of the Mobile World Congress 2014 at the Fira Gran Via complex on February 24, 2014 in Barcelona, Spain. The annual Mobile World Congress hosts some of the world's largest communication companies, with many unveiling their latest phones and gadgets. The show runs from February 24 - February 27. (Photo by David Ramos/Getty Images)