The connected home of the future will be voice-activated and Nest-integrated

LAS VEGAS—Robot housekeepers. Talking alarm clocks. Shopping list-generating refrigerators. Humans have been dreaming of ways to automate homes for decades, but those dreams have always been prohibitively expensive. Now all of those products are not only real, as we’ve seen at the International CES for the last few years, they’re also getting cheaper and smarter. Two