[ferretchucker]

I think that's a good point about it depending on how iconic it is. In relation to cinema as a whole, The Sixth Sense isn't particularly old and yet in 50 First Dates they literally just ruin the twist. Again, they're assuming most of their audience has seen it or at least been told the twist. Of course, with Mr. Shymalalalalalalalalalan it's become common place to expect a twist...