
Mazda's Kiyora concept uses the Nagare styling theme.
(Credit: CBS Interactive)
Japan has one of the most robust mobile phone cultures anywhere, and it shows here on the second day of the show. Sharp, Fujitsu, NTT DoCoMo, and KDDI each had intriguing takes on the next form factor for devices used not just for mobile communication, but watching videos, playing games, and performing mobile navigation.

Fujitsu concept phone.
Take the necklace on the right. It alerts the wearer when there's a call or a message incoming. It's made by Fujitsu and, while it isn't an actual product, is indicative of how cell phones are thought of here: Not just communication devices, but accessories made to fit neatly and inconspicuously into the daily routine.
Then there were a host of phones whose screens and keyboards pull apart to be used separately.
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