Preston Gralla is the author of more than 40 books that have been translated into 20 languages, including Galaxy S 5 The Missing Manual, Windows 8 Hacks, NOOK HD: The Missing Manual, Galaxy Tab: The Missing Manual, The Big Book of Windows Hacks, How the Internet Works, and How Wireless Works. He is a contributing editor to Computerworld, a blogger for ITWorld, and was a founding editor and then editorial director of PC/Computing, executive editor for CNet/ZDNet, and the founding managing editor of PC Week.He has written about technology for many national newspapers and magazines, including USA...