As it turns out, the answer is two. A better question might be "how many lightbulbs can a pilot smash while performing a simple task with a drone?" (The answer is about nine) - But that's not so catchy. Yep, this is another weird and wonderful story from the drone world, in which two friends set out on an ambitious mission to change a lightbulb with a drone. Marek … [Read more...] about How Many Drones Does it Take to Change a Lightbulb?