A well-written article which traces the lives of Jan Koum & Brian Acton in some detail http://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-inside-stor

A well-written article which traces the lives of Jan Koum & Brian Acton in some detail http://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-inside-story-how-jan-koum-built-whatsapp-into-facebooks-new-19-billion-baby/ http://www.forbes.com/sites/parmyolson/2014/02/19/exclusive-... Koum : “I want to do one thing, and do it well.”