If you're just learning about Google Wave, you may wish to also check out http://wave.google.com/. You may also want to read about the federation effort in the introductory blog post. You can browse the site to learn more about the community principles, review the draft protocol specifications, read the architecture white papers and the design proposals.
Interesting. I stopped using my Air Twitter client because it used way too many resources and flash apps tend to slow my netbook, and are often to large and slow for 3G. Maybe Flash isn't as big because it is just too resource intensive