Dygest: Survey All The Hottest News Coverage in One Digest. Dygest.net is a fascinating new service that looks over hundreds of topical sources online, finds out what the hot topics are and publishes excerpts of coverage that help tell the whole story succinctly on one page.
It's like Cliffs Notes for meme-tracking and it appears to work quite well. At first glance Dygest looks like the work of one more computer scientist who's trained a robot to hunt for hot links. There are a lot of those now. Retaggr - The Definitive Online Profile.