Today is Super Bowl XLV and while Google does not have a logo for the day, Bing does. The game is currently underway and I wanted to share logos from Bing, AOL, Ask.com, YouTube and Dogpile. Let me be clear, Yahoo and Google do not have special logos for today. In fact, I can't remember when Google ever had a Super Bowl logo.
Dogpile (my favorite):
YouTube (owned by Google):
Forum discussion at Google Blogoscoped Forums.