"Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge. That's what we're doing." --Jimmy Wales With more than 2,000,000 individual articles on everything from Aa (a Japanese pop group) to Zzyzx, California, written by an army of volunteer contributors, Wikipedia is the #8 site on the World Wide Web. Created (and corrected) by anyone with access to a computer, this impressive...