Question

what is back story of screen touch mobile ? why change button to screen touch mobile.​

Answer 1

Explanation:

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Answer 2

Answer:

The Touching History of Touchscreen Tech. ... But the tablet, which was patented in 1969, could only read one touch at a time, and it was used for air traffic control until about 1995. Bent Stumpe and Frank Beck, two engineers at CERN, developed a transparent, capacitive touch screen in the early 1970s.