Amazon has launched its long-awaited home robot, named Astro, that can autonomously drive around your home packed with cameras and a screen. Astro can map your home's layout, recognise objects and check on loved ones and pets remotely using a series of cameras and a display on its front, featuring a set of expressive animated eyes. The robot can handle video calls, recognising you and coming to find you when someone calls, and provides all the features of Alexa on wheels. But Dave Limp, head of Amazon's devices and services, said "customers don't just want Alexa on wheels so we've embodied it with a unique persona that's all its own". Moving at up to one metre a second, Astro can also act as a security robot.