Never knew this until now: In the 1970s, AMF, the sporting-goods manufacturer, sold a computer system and printer that would tabulate rankings of bowling leagues with the push of a button–the DataMagic Bowling Data Computer. It seems a stunning waste of computing power and coincided with the company going into a decline, so I doubt it was a big seller. But as this commercial makes clear, it was a declaration of war on the pencil.