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Verizon’s MiFi was one of our favorite products of 2009: It takes a 3G wireless data signal and turns it into a Wi-Fi hot spot. Now Sprint has one-upped Verizon with the Overdrive, which takes a 4G signal and turns it into a Wi-Fi hot spot. On Sprint’s WiMax-based 4G network, the Overdrive, which is

LAS VEGAS — Microsoft detailed plans for XBox 360 enhancements, a new gesture-driven interface for the XBox and a tablet-style Windows PC tonight at a keynote presentation kicking off the Consumer Electronics Show here. It was the second year as CES headliner for Microsoft CEO Steve Ballmer, who too