The new MacBook's keys have individual LEDs. They could potentially do things like light the shortcut keys as you mouse over menu options.
By some estimates there are over 350,000,000 guns in America, but only 327,000,000 cell phones. Think about that every time you see a phone.
Things that are broken: Validating Builds Submitting Builds with Xcode TestFlight Extensions Provisioning Management Did I miss anything?
Flappy Bird is proof that no one really knows anything about App Store success.