Jan Koum, CEO of Whatsapp poses for a photo at Hutchison Telecom Tower, Tsing Yi. 13SEP12 [Getty Images]

Jan Koum, CEO of Whatsapp poses for a photo at Hutchison Telecom Tower, Tsing Yi. 13SEP12 (Photo by K. Y. Cheng/South China Morning Post via Getty Images) — see more

Jan Koum, CEO of Whatsapp poses for a photo at Hutchison Telecom Tower, Tsing Yi. 13SEP12 (Photo by K. Y. Cheng/South China Morning Post via Getty Images)

South China Morning Post South China Morning Post