To do this, he used what is known as “Wiki” software (from the Hawaiian word for “fast”), which allows users to create or alter content on a web page. The system is very simple: When you open the web site, you can simply search for information or you can log on to become a writer or editor of articles. If you can find an article that interests you-about your hometown, for example-you can correct it or expand it. Someone else may do the same. This process goes on until no one is interested in making any more changes. The success of this method can be measured by Wikipedia’s extraordinary growth. By September 2006, there were 1 million Wikipedia articles in the English version alone, compared with 65,000 in the latest edition of the Encyclopedia Britannica.