Several companies are about to begin vying to win control of your home. They donâ€™t want to tell you what to do. Rather, they want to come in where home automation vendor X10 left off. They want to automate your light switches, thermostat, security system, and sprinkler system. They want their chips in your universal remote control. They want to unify all the things that you want to control electronically in your home under their systems.