Just one reason among the million reasons I love John Green

ETA: For those who want to know more about John's award-winning YA novels and/or his and his brother Hank's world of literature, eco-awareness, nerds, and all-around awesome, start here at John Green's personal website. Then, hit up his wikipedia page for more information, especially the section about about The Brotherhood 2.0 project, which is what brought about vlogbrothers and the ongoing nerd love. Then proceed to the explanation of Nerdfighters at the vlogbrothers' wikipedia page.

Finally, How to be a Nerdfighter: a Vlogbrother FAQ video, which, at the end, lets you click the screen to take you to the 20 most important Vlogbrothers vids--they explain the basics of the Nerdfighteria community, many of the Nerdfighters' activities around the world, the in-jokes, and Nerdfighter-specific vocabulary.