I agree that Google's model is a bit of a bubble, but red flags appeared in the first paragraph:
>Google's clients have no clue their ads are being displayed on worsening quality websites.
Well, actually most of Google's money comes from search advertising, not Adsense. And most smart PPC manager very rarely, if ever, advertise on Google's extended network. Google also makes most of its money from PPC, not CPM.
>Google's clients have no clue their ads are being displayed on worsening quality websites.
Well, actually most of Google's money comes from search advertising, not Adsense. And most smart PPC manager very rarely, if ever, advertise on Google's extended network. Google also makes most of its money from PPC, not CPM.
The adblocking is a problem though.