content: The chain grocery stores in my city are all doing delivery now, as well as, "we'll get it off the shelf and you come pick it up" It's pointlessly expensive for the delivery though, I could see these working for that purpose. As for snow and Ice, I could see it working with different tires or tracks or something. I agree that this early prototype won't be able to handle every situation, but I think it would be useful enough that some companies would adopt them. As to the headline about them beating airborne drones, that part I definitely agree with, not having to deal with getting permission from the FAA removes a huge obstacle.