All Weblog API you can eat
In an ApacheCon presentation, Mark Pilgrim with 70 pages on the Atom API and earlier models (PDF link). On the front page, note that this is 2003: IRC presentation and conference backchannels are hopefully here to stay.
And in unrelated news via Heiko, you now can also make your blog LOAF compatible. A first PHP implementation is available. SENF, the the localized German version, has been announced.
