Mark Sullivan

Mark SullivanSenior Editor, PCWorld

Mark has been writing about networks - social and wireless - since 2005. Independent and outgoing, he enjoys travelling, wine, and skiing. His favorite book is "Atlas Shrugged" by Ayn Rand.
More by Mark Sullivan

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The people who produce rock concerts are always looking for new ways to thrill and surprise us, and they're increasingly turning to technology to do it. Here's how some of the major components of the "big show" work.…

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