Ban Ki-Moon's done it. Britney's done it. Even Wolverine's done it.
Last month Psy's 'Gangnam Style' became the most-watched video in YouTube history.
Collectively, we've watched it 901m times - and 'liked' it 5m times.
According to an internet tool made by Tom Scott, we have spent 316 human lives watching Psy's Gangnam Style video:
And it's not just Psy: Lady Gaga's 'Bad Romance' has taken up 213 human lives. Think about that - an entire human life.
The list of 'Gangnam Style' imitators is almost endless, from 'Ghostbusters' to politicians, Olympians to prisoners, Chinese dissidents to sculptors, Oxford students to Saudi youths, Hitler to Ban Ki-Moon, Wolverine to Obama and even a parrot. Here are just some of them in one handy mash-up:
And if you want to see some of them in full - you're in luck: