BlackBerry Messenger for the iPhone was submitted to the App Store two weeks ago, which means the launch could be coming at any time pending approval from Apple. The news was announced this afternoon by BlackBerry Social Media Manager Alex Kinsella. BBM, which functions similarly to Apple's iMessage, was one of the first proprietary mobile messaging services and remains popular to this day with more than 60 million active monthly users. BlackBerry first announced the iOS version of BBM in May, and sent out beta invites to the
