This is kind of neat, now you can share parts of your collaborative spreadsheets via a Google Gadgets. So, it can show up on your iGoogle page and other places. Neat way to pull folks into looking at your exciting number crunching;). Google also launched spreadsheet notifications. Tools lik eZoho Docs and Google Docs are very cool, no with the ability to syndicate more easily that should help adoption.
Read more here: http://googledocs.blogspot.com/2008/03/collaboration-goes-one-level-deeper.html There’s also some cool gadgets around visualization.