You realize that they're probably investigating or lobbying for doing just that, right? AFAIK, the only reason no one has gone after AdBlock yet is because they

You realize that they're probably investigating or lobbying for doing just that, right? AFAIK, the only reason no one has gone after AdBlock yet is because they do not actually have enough users to make a demonstrable dent on the advertisers' revenue streams. I really wouldn't be surprised to see this kind of legislation in 5-10 years, or sooner.