The seasonal Doodle features the letters of the search engine's logo enjoying a party, complete with hats and streamers.

Its Zeitgeist 2011: Year In Review video clip is an ambitious attempt to tell the story of the past 12 months.

In
addition to showcasing Google's search products, Google+ and YouTube,
it includes images of a number of events that dominated the headlines,
including the death of singer Amy Winehouse, the Occupy protests, the
wedding of Prince William and Kate Middleton, and the Japanese tsunami.