Hi all,
I am the first author on the Webstrates paper.
I'd be happy to answer any questions you might have about the project.<p>The tl;dr: Webstrates persist and synchronize changes to the DOM of any page served from the Webstrates server to clients of the same page. Using transclusion through iFrames we can create (a dynamic) application-document like relationships between two pages.
It's very interesting. I looked at the video and I'll try to download and make it run. I played a little with share.js time ago so I have great expectations.<p>I see that you support basic authentication and oauth is marked as experimental. Authentication is not the core of your project but it's very important if you want that people downloads and use your software for something real, collaborating over the internet instead of playing with it locally.