Ad Filtering/Blocking Improved at Google
The Google Adsense team will be making some improvements to the speed of Adsense's competitive ad filter (ad targeting) and make some enhancements to the blocking capabilities of the Ad Review Center in the next few weeks.
Google will be reviewing and expanding material available in its Help Center and exploring alternative methods to explain the information (webinars, videos) to demonstrate how publishers can optimize their sites to take advantage of ad targeting.
In relation to publisher ad control, Google is planning to improve the speed of filters, and they are working towards making sure they take effect in less than one hour. Advertisers will soon also be able to block entire categories of ads in addition to individual ads.