Dynamicland
This seems like an excellent toy, a great tool for education, and possibly a good UI for future end-user systems that mostly live in the cloud. But in no way something that could be used to <i>build</i> those systems.<p>Almost everything that's good and powerful about software comes precisely because it's non-physical. It's probably just a failure of imagination on my part, but I can't see a path where re-introducing a bunch of physical representations of virtual things makes things better for those trying to create, maintain, or understand complex systems.