Get Rid of One, and Two Will Take Its Place

This CNN roundup of YouTube Sarah Palin impersonators sums up the variety of approaches to this current Internet meme, one that has lost its charm for me much faster than the hamster dance or the Numa Numa song.

From a specifically digital rhetoric perspective, only the videos that use green screen to intercut the impersonator with the real broadcast media footage or that parody other YouTube videos are of much interest as objects of study.