WHEN DRONES FIRST became widely available, around 15 years ago now, it wasn’t uncommon to find tech people painting dramatic pictures of how they were soon going to change the world.
However, if you look up into the largely empty sky above us, you can quite clearly see that hasn’t happened yet.
Sure, drones are useful for taking aerial photos, and are a fun hobby for nerds like me—but we’re a long way away from aerial superhighways, packed with autonomous drones zipping parcels,
