Apple's new passport-based Digital ID is rolling out on iPhone and Apple Watch — giving travelers a new way to clear TSA security lines with just their device. Why it matters: It's the biggest step yet in the tech giant's push to make the Apple Wallet app a digital replacement for everything in your pocket — from credit cards to car keys to IDs.

The more I use my Apple Watch, the more I miss one app above all others. The Apple Watch is great for managing notifications, checking on reminders, and tracking workouts. But the one thing it’s never had was an honest to goodness Notes app. On my iPhone ...