The touch screen wasn't invented in the 21st century, it was invented in 1971, which is the 20th century.
What is diffrence betwween 19 sentury lerning and 21 sentury
The Screen Savers - 1998 2005-04-21 was released on: USA: 21 April 2005
The Screen Savers - 1998 2005-06-21 was released on: USA: 21 June 2005
The Screen Savers - 1998 2003-01-21 was released on: USA: 21 January 2003
Touch of Evil was created on 1958-05-21.
Touch the Sun was created on 1995-02-21.
Touch Your Toes was created on 2007-04-21.
The Screen Savers - 1998 2-21 was released on: USA: 26 October 1998
21 inches is the diagonal measure of the screen in a 21-inch TV.
21 x 21 = 441 square inches
Touch It - Monifah song - was created on 1998-07-21.
1997