Webwork - 11:52 pm on Jul 17, 2008 (gmt 0) Bravo. You're gettin' there Google. Bravo.
This "idea" - the ability to target ads by site - was discussed in the Adsense Forum probably 3 years ago. I guess it has taken all that time to work out the technology because clearly this "solution" made sense a long time ago (in WWW time).
Bravo. You're gettin' there Google. Bravo.