Macworld Amazon’s big Prime Day sale starts today: July 16 and runs until midnight on July 17. There are lots of discounted products and deals—some of them good, some of them no better than you would find the rest of the year. If you’re looking for a new iPhone you may be wondering if the iPhone is on sale for Prime Day. The answer to this question depends on where you are based. If you’re in the U.S., Amazon is not the place to go to buy a new iPhone, however, in other countries, including the U.K., you will find the latest iPhones at Amazon at lower prices than Apple sells them for. iPhone d…