Alligators in sewers, lucky escapes from hook-handed serial killers and the unpalatable notion that we all eat 8 spiders a year whilst snoozing: all are Urban myths. Until recently I assumed that the well-known story of a girl from Wisconsin USA, whose inadvertent purchase of a Dell laptop running Ubuntu saw her dropping out of her online college classes, was like all of the example above, a load of hot-air. Turns out it actually happened.