O WhatsApp o se fe'au vave vave ma le telefoni / vitiō, e avanoa mo telefoni feavea'i ma Android, iOS, Windows Phone ma BlackBerry operating system. Na faia i le 2009 e Jan Koum ma Brian Acton, o ni tagata faigaluega muamua a Yahoo! Inc., ma na mauaina e le Facebook i le 2014 mo le $19 piliona. WhatsApp fa'atagaina… Faitau mea uma