iCloud is a cloud storage and cloud computing service by Apple, launched in October 2011. The service allows users to keep data such as calendars, contacts, reminders, photos, documents, bookmarks, applications, notes, and more in sync across multiple compatible devices (iOS devices running with iOS 5 or later; computers with macOS X 10.7.2 or later; and Microsoft Windows), using a centralized iCloud account. The service also allows users to wirelessly and automatically back up their iOS devices to iCloud. iCloud also provides other services, such as Find My iPhone (to track a lost phone and wipe it remotely) and Find My Friends (to share locations with friends and notify the user when a device arrives at a certain location).
Signing up with iCloud is free, and is simple to perform with an Apple ID. When you sign up for iCloud, Apple grants you access...