I'd be lying if I said unplugging my Amazon Echo didn't feel a bit like a breakup. "Alexa," I whispered while pulling the plug, "it's just for now." Butit wasn't Alexa, it was me. More specifically, it was someone else. I needed the space for Google Home. The $129 Home smart speaker playsa vital role inGoogle's futuristic vision of "a Google for everyone," powered by itsomnipresent Assistant.