Here's why the iPhone 7 could sell just fine despite being a minor update (AAPL)

The latest iPhones are here, and as widely expected, they're not the kind of major upgrades we're used to seeing from a non-"s" Apple device. Sure, the upticks in processing and camera performance look great, but the design remains very similar, and there isn't one standout new feature. 
All signs point to Apple saving its big renovations for next year's model, a strategy that some observers see as a significant risk to iPhone sales — especially