On a Mac, you will likely have full disk encryption on by default if you are running a recent version of macOS.
For those curious, and running a Mac, it's easy to view the images on your own computer: simply update to macOS Sierra 10.12.1 and open "/System/Library/PrivateFrameworks/PassKitUI.framework/Versions/A/Resources/ in the Terminal application.
Apple has spoiled its own surprise launch by shipping an update to macOS Sierra that includes an image of the new MacBook Pro the company is expected to release on 27 October.
Developers will be able to download a prerelease version of macOS today, with a public beta in July before a full release to consumers in September.
The company's various executives spoke for two hours about the watchOS, iOS, tvOS and the newly-monikered macOS, but while we were all wowed by the changes to Messages, the facial recognition introduced in Photos, and, er, Swift Playgrounds, Apple left almost as many interesting things unsaid as they announced onstage.
Apple is also renaming its operating system, the latest version of which is called macOS Sierra.
OS X has become macOS Sierra.
Apart from a name change, Apple has overhauled iTunes and Apple music, while macOS will finally gain full Siri integration, after Apple's voice assistant was first introduced on iOS with the iPhone 4S in October 2011.
The new macOS will have much greater iCloud integration, with a universal clipboard and automatic sharing of files from the desktop across multiple devices.
While some might want to hold off immediately updating, given the recent trouble with early updates, here are five new things to be found by those who do wish to change to macOS Sierra.
iOS 10 adds cross-device clipboard support, so if you want to copy an iMessage into a Word document on your desktop, you can simply hit copy on one device and paste on the other, as long as your Mac is running the latest macOS Sierra release.
