From Wikipedia founder Jimmy Wales
Wikipedia is one of the most visited websites in the world
Commerce is fine. Advertising is not evil. But it doesn't belong here. Not in Wikipedia.
Wikipedia is something special. It is like a library or a public park. It is like a temple for the mind. It is a place we can all go to think, to learn, to share our knowledge with others.
When I founded Wikipedia, I could have made it into a for-profit company…