This document contains quotes from notable figures throughout history who made predictions that turned out to be incorrect. Thomas Watson predicted a limited market for computers in 1943, while Bill Gates said 640K of memory would be enough for anyone in 1981. Earlier, experts doubted rockets could leave Earth's atmosphere in 1936 and thought nuclear vacuum cleaners would be common within 10 years in 1955. The document encourages recording predictions to see if you can foretell the future more accurately than these historical figures.