In the race for drone delivery, the U.K. is way ahead of the U.S.

"“I think people forget how lucky the U.S. got with the internet,” said Ryan Calo, a technology law professor at the University of Washington.

The reason why all the most popular internet companies are American, says Calo, has as much to do with these early rules of the road as it does with the fact that the internet was invented in the U.S."