Steve Jobs and Apple have in some way changed our world, few people would dispute that. But as we know Apple fandom has always gone well beyond this; we extoll Apple’s triumphs and vigorously defend their (many) errors, which in turn has bred a healthy – and at times unhealthy – rivalry with Windows PC users. Surely a unique situation, how may other multi-billion dollar corporations have you ever got in a fight in the pub to defend?

As good an excuse as any to post Adam Buxton here at Bug – it’s important we know exactly which version of Mac OS is used in this video, right?