Scottish inventor John Logie Baird gave the first public demonstration of television in 1926 in Soho, London. Ten years later there were only 100 TV sets in the world. Today there are almost a billion TV sets in the world.
US citizens watch the most TV. By age 65, an American would have watched the equivalent of 9 years uninterrupted screening, viewing more than 20,000 TV commercials per year.
The first TV commercial was a 20-second ad for a Bulova clock, broadcasted by WNBT, New York during a game between the Brooklyn Dodgers and the Philadelphia Phillies in July 1941. Bulova paid $9 for that first TV spot. Bulova also was the first watch in space.