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Preston Gralla is the award-winning author of 16 books, including The Complete Idiot's Guide to Protecting Yourself Online and How the Internet Works. He has written about the Internet for many publications, including USA Today, the Los Angeles Times and PC Magazine. Preston has won several journalism awards, including the best feature article in a computer magazine from the Computer Press Association. He is the executive editor of ZDNet and appears regularly on TV and radio as an Internet expert, including shows and networks such as the CBS Early Show, MSNBC, CNN, ABC World News Now and many others.