MIT and Ford help delivery robots navigate to your doorstep
 

In order for delivery robots to drop your takeout, package or meal-kit at the door, they'll need to be able to find the door. In most cases, that requires mapping a location in advance so that the robot knows where to go. But to do that on a large sc...

https://www.engadget.com/2019/11/04/...le-deliveries/