Apple's iPhone 6S is one of the best smartphones I've ever used — but here's why I wouldn't buy it

Apple's new iPhone 6S is the best smartphone the company has made yet. It's a bit faster. It has a pressure sensitive screen. The camera is noticeably better in some ways. The design is more durable. It's an excellent phone all around. But if you have an iPhone 6 or 6 Plus, you probably don't need to upgrade. One of the marquee features to come with the iPhone 6S is 3D Touch, which allows you to press down harder on the screen to perform certain actions. These include launching a quick shortcut menu on an app icon, switching between apps faster, previewing links in emails, and more. Although it's handy and works well, it's not enough to convince me to buy a new iPhone. The...