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A surface computer is a computer which interacts with users through an ordinary object instead of through monitor and keyboard. Commands are input through the use of bare hands by touching or dragging the surface of a designated interface. The surface of the computer is usually a smooth horizontal or vertical display where users can interact with the machine. A surface computer uses the fingers’ electrical properties to detect touch.
First designed by Microsoft in 2007, surface computers quickly received media attention due to their unique utilization of a multi-touch interface system using an object as simple as a kitchen table. Users can configure their own real-world objects with a bar code as a means to interact with surface computers. Similar to today's multi-touch devices, this computer was enabled with touch and drag commands to display, hide, enlarge, cut, copy and paste multimedia data. A Bluetooth device such as a camera placed on the interface surface was detected and accessed by the computer. The product was renamed to "Microsoft PixelSense" in 2012 after Microsoft gave the “Surface” name to their line of tablet computers.