Twitter / Dori: Ann from conf: AOL ships br...
A browser-based IM client from AOL. You heard it here first folks.
Archive: July 25th, 2007
Microformats: More Meaning from Your Markup [HTML & XHTML Tutorials]
Great article from Brian ranging from introducing microformats right up to the current state of play.
Thirteen Simple Rules for Speeding Up Your Web Site
The justification behind YSlow. If you've heard Nate Koechley speak, some of this will be familiar to you. It's all solid advice as far as I can tell.
YSlow for Firebug
The YUI folks have released an add-on for Firebug that will analyse your pages and suggest ways of speeding it up.