Why the Blackberry Kindle App May Be More Important Than the Kindle 3

We've been pondering how Amazon could turn the next Kindle into a great machine, but the company has just gone and done something that's probably much more important: It's released a Kindle e-reader app for RIM's BlackBerrys.

Amazon's had e-reader apps for Windows smartphones, as well as the iPhone and iPod Touch, for ages--they're very popular too. And they're fully integrated into the Kindle ecosystem, even remembering which page you're reading and then syncing it back to an actual Kindle...