How adsense works

Found some interesting articles in net, which i thought of sharing with you.

How adsense works?
1.You put some javascript on your page.
2.Someone looks at your page.
3.Javascript says to Google's Adsense server 'gimmie some ads'.
4.Adsense server says 'Can't! Don't know what the page is about. Hang on'
5.User sees page without ads, or with public service announcements
6.Adsense server sends a bot to read the page
7.Server looks at bot's findings and notices the word pizza appears 20 times, and the word Washington appears 6 times.
8.Server makes mental note that this page is about pizza in Washington.
9.Someone else looks at page
10.Javascript says to Google's Adsense server 'gimmie some ads'.
11.Server says 'Sure. That page is about washington and pizza - here's some ads about pizza delivery services in Washington'
12.User thinks 'hey, just what i was looking for' and clicks on an ad.
13.You get paid a little bit.
14. Repeat from #9