I agree, and it does seem like these ideas are catching on. The frameworks you mention, and also a big push by Facebook on iOS in the past year are notable exa

I agree, and it does seem like these ideas are catching on. The frameworks you mention, and also a big push by Facebook on iOS in the past year are notable examples. The FB "pop" framework was just made public (I think) this week: https://github.com/facebook/pop https://github.com/facebook/pop Also their quartz composer prototyping framework: http://facebook.github.io/origami/ http://facebook.github.io/origami/ Awesome collection at your tumblr!