WhatsApp with two billion users around the world. was set to enforce its new data-sharing policy with Facebook on May 15 . Now WhatsApp people will remind and eventually become persistent so that at some point users will “encounter limited functionality on WhatsApp until you accept the updates”, according to WhatsApp. “You won’t be able to access your chat list, but you can still answer incoming phone and video calls.. After a few weeks of limited functionality, you won’t be able to receive incoming calls or notifications and WhatsApp will stop sending messages and calls to your phone.”