It looks like Slate launched a feature called Meme Watch back in November and refers, semifacetiously, to a MemeTracker&tm; device. Hey, as long as they pay us royalties!
No, honestly, the more of us tracking memes the better. Timothy Noah's latest column observes the ups and downs of the "Lucky Duckies" meme:
Meme Watch: Bushies Get Cold Feet - The "tax the poor" movement goes underground. By Timothy Noah