Amazon unveiled many gadgets today, but among the strangest (and the cutest) is this new Alexa-powered robot called Astro. This rolling household robot combines computer vision, artificial intelligence, Alexa, and Ring technologies to become your digital dog on wheels. The idea is to solve the problems associated with stationary devices, allowing for easy communication with those who are elderly or disabled. You can use Astro to check on rooms in a household, people, and pets while you’re away,