This document lists some of the worst and best business decisions in history. The worst decisions include turning down the Beatles, dismissing the potential of the telephone and Model T car, IBM allowing Microsoft to retain copyright of the DOS platform, Ross Perot passing on Microsoft for cheap, M&Ms passing on appearing in E.T., Bose, and Excite passing on Google for $750,000. The best decisions include turning best employees into beginners, investing heavily in a cheap product, and the references listed at the end.