By Jim Karpen
Apple has finally released iOS 4.2. The iPad now has the latest features, including multitasking and folders. Hurray. Also available are the new AirPlay and AirPrint features. AirPlay lets you stream media from your iOS device to other devices in your home. AirPrint lets you print but you're limited to AirPrint-compatible printers. You can read a helpful article about this update on Mashable.