The problem is simply near doing this or so far has been when an item is touching in analyzing.
Nevertheless this strategy could be rather error prone.
therefore introducing a high number of false-positive touch detections it proceeds.
Where there might not be the Objective of the system would be to discover touch Anything about the surface substance.
From which to find input instead of keyboards or markup Apparatus.
Providing a user the freedom Utilize the computer system in random environments it proceeds.