The Mail hub is especially impressive.

CNN: STORY HIGHLIGHTS

Indeed, there is no mail app in BlackBerry 10 as mail communications are managed through the Hub that is never more than one disjointed swipe away.

ENGADGET: Switched On: Battling for the bronze

The BlackBerry 10 operating system will still emphasize work productivity with a BlackBerry Hub feature that collects e-mail and other messages in one spot.

CNN: With BlackBerry 10, struggling phone maker eyes comeback