I’m absolutely looking for a real answer, not here to downvote or troll.
When you say “the tech is useful” I don’t see it that way from my perspective because I can’t think of any specific scenarios for this tech to prove valuable to me, in terms of the way that I interface with an OS.
What I’m hoping for from you is a Use Case; what specific application of this tech would you, the End User, find to be a vast improvement in the way that you interface with Windows?
I read it and recall enjoying it, but it’s far from my favorite PKD, and I honestly don’t remember much about it.