Jonathan Snook has put together a nice list to Understanding Modern CSS-based Layouts! Would have added conditional comments (and the valid downlevel conditional comments), CSS absolute-relative positioning, and some other tips/tricks myself 😉
Flickr has pushed some new code live, improving web uploading. Uses the same manner (uploading through a Flash Interface) as SWFUpload and FancyUpload. Nice!
Webforms 2.0 (something I’ve been waiting for (and still am) quite a long time) implemented in JavaScript. Nice work, but afraid not many will use it as page-validation (xhtml-validation that is) totally breaks. (via)