If anyone shares my odd fascination with the Google doodles that you see appearing on their website for holidays, special events and birfdays, you will especially enjoy this website, which chronicles all its doodles over the years:
http://www.google.com/holidaylogos.html
Also good:
http://googleblog.blogspot.com/2004/06/oodles-of-doodles.html
http://en.wikipedia.org/wiki/Google_Doodle