Predictions are very difficult, especially about the future

Heavier-than-air flying machines are impossible"
Lord Kelvin, 1895

"(Television) won't be able to hold on to any market it captures after the first six months. People will soon get tired of staring at a plywood box every night". (plywood = Sperrhol)
Darryl F Zanuck, 20th Century-Fox, 1946

"I think there is a world market for maybe five computers"
Thomas Watson, chairman of IBM, 1943

"There is no reason for any individual to have a computer in their home"
Ken Olsen, Founder of DEC, Digital Equipment, 1977

"640K ought to be enough for anybody."
Bill Gates, founder of Microsoft, 1981

„Everything that can be invented has been invented.“
Charles H. Duell, Direktor des U.S. Patent Office, 1899

"By 1985 machines will be capable of doing any work a man can do"
Herbert Simon, 1965