they invented it so people can enjoy there self while there typing texting and doing other things like also playing games
The touch screen wasn't invented in the 21st century, it was invented in 1971, which is the 20th century.
No touch screen watches have not been invented.
the firsts person who invented the touch screen was Brad Marshall in 1985.
Dr. Samuel Hurst invented touch screen technologies.
To my knowledge there has never been a touch screen CD player.
YES it has been invented
htc Palm Treo 650 world's first touch screen phone
David Van Koevering
around September 2009
Because touch-screen keypads were not invented yet.
Because touch-screen keypads were not invented yet.
Touch screen phones are this generation and the more electronic the better.