Before Wikipedia, encyclopedias 1 by paid experts, and so the reader had no control over the content. Wikipedia has changed all that, as anyone 2 to edit and add content. Its founders insist that, on the whole, the information on the site is no less accurate than in more traditional encyclopedias. Despite this, some experts 3 the site for its inaccuracies. However, they essentially 4 the problem. Most people have little idea how many inaccuracies there are in traditional printed encyclopedias.