"Computers in the future may have only 1000 vacuum tubes and perhaps only weigh one and a half tons."
Popular Mechanics, 1949.
"I think there is a world market for about five computers."
Thomas J. Watson (Chairman of the Board of IBM), 1943
"640K ought to be enough for anybody." Bill Gates, 1981
"There is no reason for any individual to have a computer in their home."
Ken Olson (President of Digital Equipment Corporation), 1977.