Amazon is turning into a personal security company

Half of the announcements out of Amazon's big 2021 showcase were directly related to home security, including the wildest reveal of the day, a $1,000 robot that can autonomously patrol your home. It's essentially a tablet on wheels, roughly the size of a small dog, with cameras that allow it to detect anomalies in the house, record video, and send alerts to your phone. It also connects with Ring, Amazon's popular personal security system, allowing the robot to roll around on its own and proactiv...