Original source: http://www.tomscott.com/mob/. From the guidelines: "Please submit the original source". That's not quite the same as embedding something in your own blog and then submitting your own blog.
Actually, even that's not the original source! Among other things, I'm one of the co-organisers of Ignite London, which Tom Scott made this (very, very cool) video/presentation for. The video was filmed by another organiser (Richard) for Ignite London, so this is really the REAL original source (just to be pedantic) -
Another amazing presentation from that night (there were plenty) was the one about the price of chocolate bars, showing the use and abuse of statistics:
