MediaWiki - Wikipedia clone script

I wonder how much advertising revenue wikipedia will earn if it drifts itself from social cause. What if wikipedia is a saint , i know you are not. Here is a clone script of wikipedia. Media wiki is an exact clone of wikipedia having collaborative knowledge management system. You can choose it to build a narrow knowledge wiki like wikitravel.org . This website have choosen travelling places as its arena and is currently at 3k alexa rank. The main source of revenue is google adsense. So, its time for you to choose mediawiki as your dream project. Mediawiki is 100% free and open source script clone of wikipedia for you to grab it.