> In all of those cases you're paying elsewhere for the service. Recorded and enforced by a contract. > In the case of web ads, you're not usually paying for

> In all of those cases you're paying elsewhere for the service. Recorded and enforced by a contract. > In the case of web ads, you're not usually paying for the content, and so they're expecting you to see the ads. It doesn't matter what they expect. I'm not obliged to view their ads.