Google's April Fools' Day Jokes Through The Years (SLIDESHOW)

More than any other Web company, Google has put together some of the most memorable and sophisticated April Fools' pranks, ranging from a toilet Internet service provider to a pagerank system based on pigeons.

Since 2000, Google has published one or more gags each year, according to Wikipedia, except for two years -- 2001 and 2003. Last year -- the peak of the Web 2.0 bubble -- included more than a dozen. Google's YouTube even "Rickrolled" everyone.

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