Quotes from people who no doubt later regretted stating their opinion:
"640 kilobytes ought to be enough for anybody."
Bill Gates, 1981
"Well-informed people know it is impossible to transmit the voice over wires. Even if it were, it would be of no practical value."
Boston Post, 1865
"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM, 1943
"We don't like their sound and guitar groups are on the way out."
Decca Record Co., turning down The Beatles, 1962
"There is no reason anyone would want a computer in their home."
Ken Olsen, founder of Digital Equipment Corp., 1977
"This 'telephone' has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us."
Western Union memo, 1876
"Computers in the future may weigh no more than 1.5 tons."
Popular Mechanics, 1949