...looks like we have a winner?! [video=youtube;ekQSpbwKkdg]http://www.youtube.com/watch?v=ekQSpbwKkdg[/video]
Conventions have become standardized. As I watch that video's series of semantic gimmicks, I think back to the first convention and party in which each gimmick appeared. For each gimmick, it took a couple of conventions until the other party fell into line and copied it.