Wikipedia is the encyclopedia you can [EDIT] * You can make a difference! » Help bring knowledge to the world. # Wikipedia has been entirely created by people like you. Volunteers from all over the world contribute to writing, improving and maintaining articles which can be used by everyone, everywhere, free of charge. When you opened this page, Wikipedia had 3,936,865 articles in English alone. Wikipedia exists in over 280 languages, and it is growing all the time. We need *you*.