Jason Munkel and his father stream their Call of Duty games online every night. In the past year, they've gained more than 120,000 followers. Twitch/Activision hide caption

itoggle caption Twitch/Activision

Warriors battle at the 2012 JORVIK Viking Festival. This year promises to be even fiercer, with the apocalypse looming. Allan Harris/Flickr.com hide caption

itoggle caption Allan Harris/Flickr.com