"All of those are growing dramatically," Balsillie said. "Probably the most exciting one is the wireless support of social networking. We're seeing it emerging in the enterprise with things like Lotus Connections, but also really strong growth in the non-enterprise environment with companies like MySpace, Flickr and Facebook."

Balisillie says the Facebook for BlackBerry application, one of the most popular BlackBerry apps, has already received more than 2.5 million downloads since its release a year ago. (For a look at Facebook for BlackBerry in action, check out our video tutorial.)

"In our world, it has been the fastest take up of any application we've ever had," Balsillie said.

RIM is also announcing another consumer-centric mobile social networking application for MySpace users at CTIA, according to Balsillie and the company expects the program to be similarly popular.

Research from ABI Research suggests Balsillie may just be right; the company expects that some 140 million people will be using mobile social networks by 2013, most of them consumers, and they'll generate more than $410 million in associated revenue.

And Balsillie talked up the BlackBerry's multimedia capabilities, which are clearly aimed at consumers, though, again, there's room for potential crossover. The BlackBerry Media Sync application, which is currently available for free, can sync DRM-free iTunes music files with BlackBerrys, and Balsillie says a similar app to sync Windows Media Player libraries and BlackBerrys, as well as a program to sync desktop photos and video, is also coming soon.

RIM's co-CEO also sees huge potential in the idea of "remote media management," or the ability to cache media files for remote access, which he claims will come to the BlackBerry platform in the near future via a new partnership with a company called Slacker.

Finally: the home television aspect of the "four converged screens" example.

"The trickiest part of the four screens is the sync between home video content and the mobile," Balsillie said. "I believe the key enabler here is TiVo."

RIM announced a new partnership with TiVo at CTIA, and the companies plan to release an application that will enable users to users to access television content via mobile device.

"(BlackBerrys) now work with TiVo desktop software that allows you to put (TV) shows on your BlackBerry, so that you can literally have your shows as a cache."