The founder of WhatsApp Jan Koum was living on food stamps before launching a messaging platform that was just sold to the social media giant, Facebook for $19 billion.
WhatsApp founder: Food stamps to billionaire
Koum was raised in Ukraine, immigrating in the early 1990s to the United States with his mother as a teenager.
CNN's Bill Weir is OutFront with a real life rags-to-riches story.
"I always had a passion for flashin', before I had it I'd close my eyes & imagine the good life." (Kanye West)