Wikipedia:Accepting other users Over 27 million served
In 2010, English Wikipedia had over 13 million registered users. It also hosts almost as many anonymous users who choose to change pages without logging in. People trying to write articles can face opposition, or get help, from many different people. Other websites, may have restricted the membership to people with the same opinions, or to those showing a serious interest. Wikipedia, however, has almost no restrictions for user access. It is an environment that most people have probably never seen before, and they would never be expected, anywhere else, to work so closely with that many thousands of unscreened people.