Interesting discussion about UI density. What are we talking about? Is there value to is? Which aspects of a UI are impacting it? The conclusion makes it all very clear.

This gives a good idea of the important parts in a CAD program. It also list a few of the usable libraries to build one such program in the browser.

This is completely nuts... they really want to unleash a security and privacy nightmare. The irony is that it does respect DRM content on the other hand, we can see where the priorities are.