No one is ever obligated to view ads. I'm not stealing from the billboard company because I keep my eyes on the road, and I'm not a bad person because I mute th

No one is ever obligated to view ads. I'm not stealing from the billboard company because I keep my eyes on the road, and I'm not a bad person because I mute the television every five minutes when NBC runs ads for things I don't want during the Olympics. The browser is our user agent. Facebook can serve whatever it wants, but we're under no contractual or moral obligation to look at it.