We're buzzing about how Japan is taking drone technology to new heights! Imagine attending a massive concert or event in Osaka. As the crowds swell, look up! National Japan is deploying drones equipped with bright LED lights to display dynamic exit signs, guiding attendees safely out of venues. These innovative flying machines form clear arrows and "EXIT" symbols, easily visible even from a distance. But this groundbreaking use of drones sparks a fascinating question: If you could program these high-flying beacons to display anything else, what would it be?