First Click: 3 different voices control my home and it's driving me crazy

I’ve got a bit of a problem. I keep on shouting at three different voices in my home, and it’s driving me crazy. Alexa, Siri, and Cortana all promise to be the best personal digital assistants, but none of them talk to each other and they’re all pretty bad at their jobs. I find myself forced to shout at all three of them if I want to interact with my gadgets without my hands, and I’ve made things even worse by buying smart home electronics that only work with one of my th