Jan Koum (CEO & Co-founder WhatsApp) interviewed by Martin Varsavsky (CEO & Co-founder of Fon) at The Audi Stage. They told about the birth of WhatsApp, the future of it (once being purchesed by Facebook) among other issues. 4YFN is an event of Mobile World Capital Barcelona. http://mobileworldcapital.com
More info at: http://4yfn.com
