About the author

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Dave Johnson
Dave Johnson is a technology journalist and author of nearly three dozen books. Dave spent a decade in the Air Force operating satellites, teaching space operations, and performing space launch planning. He has contributed to many sites and publications including CNET, Forbes, PC World, How To Geek, and Insider. As a photographer, Dave has photographed wolves in their natural environment; he's also a scuba instructor and co-host of several podcasts.
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