Photos taken with the iPhone, or any digital camera for that matter, contain a variety of metadata including EXIF data (camera related data such as aperture, exposure, lens, etc.), GPS data and timestamps. This data can be accessed by anyone you share the photo with, so it clearly raises privacy concerns, e.g. you post a photo of your house that includes GPS coordinates of where your house is. Unfortunately there are currently no tools native to iOS that can remove or edit this metadata, so third party apps are required.
By default, the fourth-generation Apple TV automatically installs updates to tvOS and any installed apps. Shortly after Apple releases a system update or an app developer's changes are approved by the App Store, the new versions roll out. Some users aren't a fan of this feature, as it can bring unwelcome changes to familiar apps. Others like to see if a firmware update is reported to cause any problems before they install it on their device. Here's where switching to manual updates on the Apple TV comes into play.
Single sign-on makes it easy to enjoy content from many different sources on the Apple TV without entering account information into every app. Participating TV providers automatically log in to every supported app requiring authentication. Single sign-on can also be configured on the iPhone for seamless viewing. Once the feature is set up on the Apple TV, a list of authenticated apps that are available can be accessed.
Whether keeping track of a packing list for a camping trip, sketching diagrams for a shed, or jotting down ideas for a book, the utility of the Notes app improves when it is synced between all of your devices. Start a rough grocery list on your Mac, finish it on your iPad while standing in front of the fridge; jot down rough ideas on your iPhone while out and about, expand on them later at the office on your Mac. This can all be achieved by syncing Notes with iCloud. Here's how to do it: