The Long Tail: Briefly noted: RSS publish and subscribe

The Long Tail: Briefly noted: "I'll start with a fantastic post on RSS by Kevin Laws, a venture capitalist who helped me articulate and think though the original Long Tail theory. RSS, as you know, is a really big deal and an important step in maximing the potential of the Long Tail. The key element of the publish-and-subscribe model is that it allows readers to indicate an interest once (by subscribing to a feed), and then get relevent content when it's published, without any thought or effort required.

Kevin descibes this with the best analogy I've heard yet for RSS: Tivo for the Web"