Stampy Cat, aka Joseph Garrett, talks about what it takes to be a successful YouTuber and offers insights and secrets into how he works, all while creating a special Minecraft Christmas episode live, in this year's Royal Society of Edinburgh Christmas Lecture. Filmed in front of an audience from Dundee's Caird Hall and introduced by Chris van der Kuyl, this unique event gives us a glimpse behind the scenes of a global YouTube superstar.