Well, it's not the only thing. There's also clothes, philosophy, and mathematics, but none of those appear here either.
Nice try, 1980s marketing department. Because yelling “Hoooooo!” every episode won't ever be misconstrued.
MTV Brazil is rocking some retro-porn for their new AIDS-awareness print campaign. The copy says “Except for AIDS, nothing has changed.” So keep that in mind next time you find yourself in the midst of a crazy-ass Victorian threesome.
A campaign for the Sci-Fi Channel by ad agency Saatchi & Saatchi that reverses the whole monster/human encounter paradigm. The point being that those zombies are probably just as scared of you as you are of them. Which doesn't mean you shouldn't run, but it's something to ponder once you've reached a safe place and barricaded the doors.