One of the biggest leaps in Google's search engine usage came about when they introduced their much improved spell checker giving birth to the "Did you mean..." feature. This instantly doubled their traffic.
First video on YouTube
The first ever video that was uploaded on Youtube is by Jawed Karim (one of youtube founders) titled "Me at zoo" on April 23rd, 2005. This video is all of 18 seconds long.
More Computer Facts
All the three founders of YouTube Steve Chen, Chad Hurley and Jawed Karim were working for Paypal when they started YouTube.
The day after Internet Explorer 4 was released, a few Microsoft employees left a 10 by 12-foot Internet Explorer logo on Netscape's front lawn with a message that said "We love you" at the height of the browser wars in the late 90s.