http://www.clixsense.com/index.php (http://www.clixsense.com/index.php)
I got a bid from them but their setup doesn't really sit right with me. I don't know...I'd like a second opinion.
Basically they pay you to look at ads targeted to your demographic. Or on the other end you can pay to submit ads to be viewed by your targeted demographic. Just...ads, with nothing in between. For 30 second intervals. Getting paid. With no apparent obligation to click on any of them.
If it smells like a duck and quacks like a duck and walks like a duck and .....
I'd chime in with Rob... Avoid this unless somebody that you personally know can vouch for it. I wouldn't try to experiment with it myself.