Or popups? Just imagine how realistic I could make a popup box seem know people will just think that it is from the operating system which I can also detect in

Or popups? Just imagine how realistic I could make a popup box seem know people will just think that it is from the operating system which I can also detect in another headless window along with another transparent window for bitcoin mining...I think you get the idea. UX yeah this is neat for appliances it will make for more seamless experiences, lets just hope you all are sanitizing inputs and building in secure methods of auth to make the experience worth the risk.