Dan Sandler: USM, the Universal Subscription Mechanism, is a pretty simple idea that aims to patch a hole in the current RSS/Atom subscription scenario. [cut] The alternatives are: (1) the feed:// URI scheme (a bastardization of the URI specification and usage model) and (2) what Dave Winer calls the solution to the Yahoo problem, namely a central web site which manages all your client-side subscription preferences for you (patently absurd.)
Randy: Dan makes a great case for USM. A must read.
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