BBM Could Be Worth Billions If BlackBerry Can Copy The LINE Playbook

It is difficult to get a handle on what the early success of BlackBerry's messaging service on Apple's iOS and Google's Android platforms might mean. By Friday 3 PM, BBM has become the #1 app in 80 countries. It hit the 10 M user mark on iOS and Android platforms in 24 hours, yet continues performing remarkably well on its fourth day. It seems that the early wave of super loyal BlackBerry users and curious rubberneckers is segueing into sustained interest in the app. But how to value a free dow...