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Portable file sharing backup charger runs Linux

Taiwan-based Gigastone announced the first U.S. release of the SmartBox, a $40 Linux-based mobile accessory that combines an SD card reader, a WiFi content streamer and personal wireless network, and a 2500mAh-strong battery charger. The SmartBox lacks its own internal storage or Internet access, but can wirelessly stream SD card content to up to six mobile devices via WiFi.