Sadly, it's not over: BBM Canada, a Toronto-based broadcast industry group that has used the BBM moniker in one way or another for six decades, wants to reclaim its name -- used and made popular by RIM's BlackBerry Messenger service -- and has filed a lawsuit against the phone maker for trademark infringement.

ENGADGET: RIM gets kicked while down, sued over BBM trademark (update: RIM comments)

However, the popular instant-messaging service Blackberry Messenger - known colloquially as BBM - is absent from the upgrade.

BBC: Blackberry-maker RIM releases late Playbook OS upgrade

Officers believe some rioters have used Blackberry Messenger - a service allowing users to send free real-time messages - to organise violence.

BBC: UK riots: Trouble erupts in English cities

On Thursday, Mr. Heins hinted at some new possibilities for generating service revenue, including leveraging the company's popular BlackBerry messenger service and its security- and business-focused offerings.

WSJ: RIM Places Risky BlackBerry Bet

Mr. Heins said the company is looking at a number of options to replace that revenue, from licensing the company's popular BlackBerry Messenger service, to leveraging advanced security and business-focused offerings.

WSJ: RIM Swings to Black, Sells a Million Z10s

Blackberry's owner Research in Motion has said it is co-operating with a police investigation into claims that its BlackBerry Messenger service played a key role in organising the London riots.

BBC: Cameron suggests banning suspects from social media

There have been hacks involving MSN Messenger to relay feeds, but a more mainstream offering -- perhaps a partnership with a feed aggregation service, would greatly enhance personalization.

ENGADGET: Switched On: The gist on your wrist