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From ExtremeTech:
In an effort to change the way you use your mobile device, Motorola Mobility filed an interesting application to the US Patent and Trademark Office. Stating that it has found a way to create a "usable audio area" out of the screen of a mobile device, the hardware manufacturer aims to turn the touchscreen of your smartphone or tablet into a fully functioning speaker. The design would allow the user to hear audio both privately and in speakerphone mode.
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