Jawed Karim posted the first-ever video on YouTube titled 'Me at the zoo.' Posted on April 23, 2005, the video has over 221 million views. Karim is one of the three co-founders of YouTube.

YouTube might seem like an obvious idea now, but back in 2004 it was just the smallest wisp of a proto-idea floating around the brains of cofounders Chad Hurley, Steve Chen, and Jawed Karim.