I don’t know if you know this, but it turns out that technology can be used for good and for evil. That’s the lesson of The Circle , the latest in a long, long line of movies that tell us that the shiny new tech thing we love so much might not be so good after all. We meet Mae, played by Emma Watson, who gets an entry-level job at The Circle, a sort of Facebook-meets-Google-meets-Apple company that’s just introduced tiny eyeball-sized cameras that can be glued to any surface, ostensibly to open