Patent Bolt has come across some interesting Facebook patent applications from 2011 that seem indicate they may be (or were) working on their own smartphone. The hardware offers a interesting track pad interface, but overall, the mobile device is not completely outside the realm of smart phones on the market today. The breakdown below: This touchpad, running along the side of the device, seems to allow control of the device: \A user taps or strikes lightly on touchpad, and a gesture recognition library can interpret the users touch input and identify the touch input corresponding to a tap event.\ Based on the above flowchart, it looks like the touchpad would be used to control all aspects of the phone, such as the camera.
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