There are several new interfaces, as well:
I’ve asked for feedback and technical review from dougt among others, so it’s possible this material could change as I receive corrections, but based on my reviews of code, samples, and existing material, this should be fairly accurate.
This is going to be a very cool technology. Obviously it’s especially useful for mobile users, but laptop users may get some use out of it as well. It has a lot of potential both for user experience improvements (such as rotating the user interface based on the orientation of a mobile device) and for web gaming.