Most people are looking at the new iPhones and thinking about the camera performance, the size of the screen, the notch situation. But we nerds here at Marketplace Tech will be thinking about the semiconductor. Many people will probably ignore the part in Apple's new gadgets announcement Wednesday about the A12 processor and what a big difference it's going to make for speed, performance and battery life. But these guts are actually what set Apple apart — and ahead — of other smartphone makers, because Apple designs its own semiconductors for all its mobile devices. Anshel Sag is a semiconductor analyst at Moor Insights and Strategy. Molly Wood asks him what the benefits are of making your own chips. (09/12/18)