Apple has now has information for more than 120 sessions posted to its WWDC Web site.
Among the recently posted session descriptions:
".Mac SDK: What's New for Tiger: Enhance your application with collaboration, workflow, and security features enabled by the new .Mac SDK 2. This session will present examples and sample code using the latest features of the .Mac SDK."
"Write a Spotlight Plug-in Today: Learn how to create a Spotlight plug-in to make your custom file format searchable by Spotlight. We'll show you how to write a Spotlight plug-in to export information from a basic file, create custom keys that the Finder can display, and debug your plug-in.
Apple has also posted a section dedicated to WWDC Special Events, including the Apple Design awards.
For more information, visit Apple's WWDC home page.