iPhone sales are down again. Apple sold 45.51 million iPhones, 9.2 million iPads, and 4.8 million Macs during the fourth quarter of 2016, the company announced today — down from 48 million iPhones, 9.9 million iPads, and 5.7 million Macs in Q4 2015. The iPhone is a nine-year-old product, and it remains the single most important […]