There is also another MS Applied Science project that is a mix of Surface and TouchBar-like enabled keyboard:
https://www.microsoft.com/appliedsciences/content/projects/D...
https://www.microsoft.com/appliedsciences/content/projects/D...
I can imagine a large touch bar with stylus input (!) would actually be useful.
Also a trackpad at the top of the keyboard would be perfect for working on trains and planes!