iOS 4.2 brings over 100 new features from iOS 4.0, 4.1 and 4.2 to iPad including Multitasking, Folders, Unified Inbox, Game Center, AirPlay® and AirPrint.
iPad users can now run their favorite apps and switch between them instantly, while preserving iPad’s legendary battery life. Users can organize their apps with drag-and-drop simplicity using Folders, and Mail now features a Unified Inbox, fast inbox switching and a threaded message view.
The surprise in the announcement is that with iOS 4.2 Apple is offering its Find My iPhone service free of charge. The service, previously only available to paid MobileMe subscribers, allows users to locate/track lost iOS devices via the Web. According to Apple, the free version of Find My iPhone, is limited to current-generation hardware (i.e. iPhone 4, iPad and new iPod touch, 4th generation).