Google just opened up Knol to the public. Knol is also serving up AdSense advertising on the site. Authors on Knol can enter their AdSense data into Knol, and will get the regular AdSense payout for every click on an ad. This seems like a smart way to reward users who write the best (or most popular) content, while still making money for Google, because the cut Google already takes from the advertising through AdSense anyway.
Currently, I don't know how may we track ads performance on knol, I tried to add an URL channel, and got error message:
"http://knol.google.com/k/-/k3-searching-tv-programs-using-teletext/2p3t2lhf3x6sj/6#" at line 1 invalid: URL cannot contain a Google host.
Has anybody any idea of how to do it?