As you’ve probably heard, it is just a matter of time before enough computers are hooked together that they will spontaneously become one conscious super-brain and control all the devices it is hooked to on Earth. Not only will your Fitbit, your Tesla, and your microwave be under its control, but the entire military apparatus of every country, including their nuclear weapons, will be at the command of it super-intelligence.
And super-intelligent it will be. It has access to all the libraries, all the social networks, every song, video, book, and scrap of human knowledge; all the sensors, all the webcams, all the security cams, mobile phones, every satellite, and every connected microchip in the solar system. All seeing, all knowing, with the brain of a billion Einsteins with no reason to care about us.