Oh god why is the first GIF actually a GIF and not a video? 4M file here we come... Just came to second this comment. The article is great, but the initial GIF in the article is huge and chunks on my machine - makes it hard to read/scroll the page on Firefox. Please update to a video embed or other...

This would be taking things in a different direction, but you could explore the idea of making logistics bots land-bound instead of flying... That way, they would still need corridors to travel on, would suffer from traffic and congestion (couldn't pass other bots in limited space), and would rely o...