The consumer use cases are interesting but the propagandist use cases are terrifying.
Along with this (Real-time Face Capture and Reenactment):
https://www.youtube.com/watch?v=ohmajJTcpNk
Which country (or organization) do you think will be (or has already been) the first to implement a program of creating physical mimics of humans for military and intelligence purposes? With technologies like this and CRISPR, video, testimony, or genetic evidence could be thrown out the window in criminal or military cases.