Adventures in Web Programming
Sounds like they may be doing something similar to Rails. Form drives data structure automatically. Cool stuff. Yes - Google is trying to put all of us out of a job!
Yeah, this has been around for a while. They've done a really nice job with it. Especially with the new expansion of file size limitations for Docs, I think more and more things will get moved over there.
Driving data structure from forms? Oh, IBM's Domino has been doing that for ages. ;)