If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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If you're interested in robotics, this video is a must see: https://youtu.be/EtMyH_--vnU?t=32m34s
I have to say I'm baffled. I was genuinely shocked watching the thing. Its speed is incredible. I remember writing off general robots after closely following Willow Robotics' Work. That was only three years ago. Again, I'm pretty shocked.
This is six years old.