I admit, it's very impressive and cool to see in person, but at what cost? This particular instance has taken away someone's job. There is no human remotely controlling it. Now imagine how many of these are currently out there and will be deployed in near future? For each one there is someone's income being taken away. Sure, we can argue that this autonomous machine has create jobs becuase, some had to build it. Yes, it's true, but those hired to manufacture are fraction of the lawnmowers needed to cut grass not one but throughout the spring had summer seasons. In a broader context, this is becoming an issue for many low skill jobs and essential jobs. (i.e. self-checkouts at fast foods and other retailers, security posts in airports, malls, etc.) Look up Amazon Digit to see what amazon is up. While many will find it beneficial and this is really hurting the class that needs the money the most, needs the health benefits that comes from there income.