If you've used the internet over the past 10 years, then there is a really good chance you've used WikiPedia. Billing itself as "the largest encyclopedia in human history" it has become a vital resource to everyone who uses the internet. Now they need your help. Believe it or not, it costs money to keep WikiPedia running. Jimmy Wales, founder of WikiPedia, is making a public appeal for your financial help. Pitch in and help keep this cornerstone of the information superhighway alive and kicking. Check it out.