Amazon made headlines Sunday night when it announced it was working on small drones that could someday deliver customers packages in half an hour or less. But the e-commerce giant isn’t the only company researching how to harness the potential of small unmanned aircraft: The Verge has learned that the worlds largest parcel service, UPS, has been experimenting with its own fleet of flying parcel-carriers. The commercial use of drones is an interesting technology. The commercial use of drones is an interesting technology and we’ll continue to evaluate it.