A smartphone in tablet war – dual screen smartphone from Sprint Nextel

Sprint Nextel Corp. has unveiled a dual screen Smartphone named, the Echo, manufactured by by Kyocera Corp. The two 3.5-inch touch screens can be stacked side-by-side to work like a tablet. The two screens can do multiple tasks and drag and drop items from one screen to another.With the dual screens open a 4.7 inch…

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