By  on February 6, 2008

Rolly-poly
Sony's dancing, egg-shaped robot music player stores 520 songs. The Rolly can move its arms, shoulders and wheels in time to the music for four hours. It will reach stores in the spring.

Light Show
Microvision's prototype for a tiny projector plugs into any mobile device, including cell phones and laptops. The "pico" projector is the size of a PDA and shows high-quality images as large as 100 inches on any surface, such as the back of a seat. Microvision hopes to ship a product around the end of the year.

Snappy Shades
Oakley's newest musical sunglasses are smaller and sleeker than their siblings. The speakers are detachable so the glasses can be used as regular shades or as MP3 players with no wires. Prices range from $250 to $400.

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