Some websites with user contribution do revenue sharing and Google Adsense revenue sharing is becoming popular these days. In the Revenue sharing model, the users are paid a share from the revenue generated. This gives an encouragement for the users to spend more time on your site.
Hi! That’s true! This is because I’m already earning from this site talkph.net which is relatively a new site. The site is only a month old and it is currently PageRank 2