“Reportedly John Carmack saw the use of texture mapping on a rather impressive Ultima Underworld demo at CES and remarked that he might be able to write a faster texture mapper himself. And by gum he did! Because he is John Mother-Fucking Carmack and he would later become a rocket scientist, in his spare time.”
A documentary about the history of video games, particularly focused on the technology that makes them possible and who actually invented what when made by http://lunchtime.org.uk/ with lots of swearing and simulated murder, mayhem and other things that might upset the easily upsettable.