Wikipedia
Netdisaster
Netdisaster is a prank website that could simulate "disasters", such as meteors, UFOs, and spilled coffee, onto a screenshot of any given website. From February 8, 2005 to April 19, 2009, users of the website generated 111,669,334 disasters. The website won the Yahoo! UK & Ireland Finds of the Year 2005 award for Best Innovative Website.