The Technology of Black Mirror: Fantasy Or Reality?

With the recent release of it's new and platform-redefining, experimental choose-your-own-adventure television episode "Bandersnatch", it seems like the perfect time to take a moment and talk about the incredible show Black Mirror. For those of you who may not be familiar, Black Mirror is a British anthology science fiction television series. It examines modern society, particularly with regard to the unanticipated consequences of new technologies. Episodes are standalone, usually set in an alternative present or the near future, and often subjected to a dark and satirical tone. It's also a really well conceived and written show.