Another start-up to keep an eye on is Altitude Angel. Drones have long been talked of as useful solutions but we have lacked a system to manage them at scale. Altitude Angel’s technology creates drone corridors, allowing autonomous drones to be safely integrated within a nation’s airspace

https://www.thetimes.co.uk/article/sir-richard-branson-and-friends-reveal-most-promising-start-ups-for-2021-mpvk5308f