Gilad Bracha introduces Google's new structured web programming language, Dart, and explains the motivations and constraints that guided its development. It is a very good overview and explains many of Dart's design decisions.
This talk happened at Stanford University on November 2nd, 2011. The streaming from Stanford's website is not a great experience, so I created a mirror until they add it to their YouTube channel. I hope it is not a big deal; if you want the video to be removed, please contact us. :)