Elena Tulaska (Milanka Brooks) in USS Callister: Into InfinityNick Wall/Netflix Black Mirror Charlie Brooker NetflixWhen Black Mirror began in 2011, it was easy to describe: a British horror anthology series about technology. Over time, that description has become fuzzier. It no longer feels very British. It’s not always horrifying or tech-inclined. Sometimes, it’s not even TV: in 2018, an interactive film called Black Mirror: Bandersnatch let viewers control the life of troubled programmer Stefan (Fionn Whitehead). Now in its seventh season, Black Mirror has metamorphosed again. It’s no longer a pure anthology, with two new episodes serving as sequels to …