Thomas Watson, chairman of IBM in 1934 said "I think there is a world market for maybe five computers."
According to a Western Union internal memo dated 1876, the "telephone has too many shortcomings to be seriously considered as a means of communication. The device is inherently of no value to us."
After the first flight of the 247, a twin engine plane holding 10 people, a Boeing engineer said "there will never be a bigger plane built."
In 1956, an associate of Debbie Fields, founder of Mrs. Fields' Cookies, said "a cookies store is a bad idea. Besides, the market research reports say that America likes crispy cookies, not soft and chewy cookies like you make."
Finally...Decca records, rejecting The Beatles, said in 1962: "We don't like the sound, and guitar music is on the way out."