The interface is entirely text and music-based -- musicians, if you can call them that, scan an instrument name on the page before sliding over to the notes, which can be played back at different pitches by moving the reader vertically along the line.

ENGADGET: Gocen optical music recognition can read a printed score, play notes in real-time (hands-on video)

As wireless customers spend less money on plain-vanilla cellphone voice calls, carriers are betting that data and entertainment services like text messaging, over-the-air music stores, streaming video and mobile Web browsing will lead growth.

FORBES: Is There Room For Alltel?

In fact, it's far less sophisticated than you might expect -- the lightweight device reads out basic text, lets you skip through music tracks and, of course, displays the time.

ENGADGET

The CRUISER2 in-car speakerphone is compatible with a wide variety of third-party apps that allow users to listen to music or hear incoming text messages and emails, making communicating on the road safer and easier.

ENGADGET: Jabra debuts Cruiser2 in-car speakerphone, Chill / Speak410 VoIP calling accessories