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Gadgetry on display from Toshiba includes a prototype of the Gigabeat music player packed with a direct methanol fuel cell. The company has said that a 300-milliwatt version of the fuel cell could power a hard-drive-based player for approximately 60 hours on a single charge.
The fuel cell technology, still in prototype, also fits cell phones. Toshiba expects commercial products to be available in 2007.
This concept phone from Mitsubishi, for NTT DoCoMo, has a touch-panel display instead of keys.