Amazon on Wednesday announced that it had completed its first drone delivery in the UK. During the private customer trial period, packages of up to 5 pounds will be delivered within half an hour. The first live delivery took place a week ago, when a highly automated drone delivered a bag of popcorn and an Amazon Fire TV to a customer near Cambridge. It took 13 minutes from the time the customer clicked the order for it to arrive. So far, only two customers are participating in the trial.