Adwords Landing Page Quality Update

Google has posted about the implementation of a new Landing Page Quality Score update:

In the next few days, we will be making two changes to how AdWords evaluates landing page quality. First, we’ll begin incorporating landing page quality into the Quality Score for your contextually-targeted ads, using the same evaluation process as we do for ads showing on Google.com and the search network. Advertisers who may be providing a poor experience on their site will notice that their traffic across the content network decreases as a result of this change. Second, we’re improving our algorithm for evaluating landing page quality and incorporating landing page content retrieved by the AdWords system.

I’m assuming that this is to crack down on the growing number of MFA Advertising sites that are driving down the revenue of Adsense Publishers & also to make the results more relevant.