purpose of MediaPartners bot?

[RoySpencer]

If the MediaPartners bot visits a page that has just had new content added, will it take this into account in ad targeting? Or does the Googlebot have to visit for that to happen?

[Dan0]

If the MediaPartners bot visits a page that has just had new content added, will it take this into account in ad targeting?
It should. The bot that determines what a page is about for Adsense is completely separate from the Googlebot.

[polarmate]

And the two bots do not 'talk' to each other. So placing AdSense on a new page will make the MediaPartners bot show up but Googlebot may not show its face for much longer.

[RoySpencer]

OK, well then how to explain this?: When adsense approved our site, the ads were immediately targeted...even though I saw Mediabot come to a number of the pages shortly after we started ads. Then, we've been trying to get better targeting by changing some content, and when one of the new versions of a page showed up in the Google cache, it had more targeted ads. Then Google did it's revert-back-to-old-cache trick, and the ads went back to the less-targeted kind.
All I'm saying is I haven't yet seen evidence that Mediabot does anything. Give me some evidence otherwise.

[Dan0]

Easy enough to find out if you're that curious, just stick Adsense code on a brand new page that Google hasn't indexed, and see what happens.