New York City rules will soon permit yellow cab drivers to accept rides through smartphone apps. Richard Drew/AP hide caption

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In New York, Taxi Apps Raise Objections From Competitors
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Cell phone communication can be hacked, tapped or otherwise tampered with. A new app aims to change that. iStockphoto hide caption

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Want To Keep Your Messages Private? There's An App For That
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Lt. Cmdr. Stephen Mannino checks a sailor for skin cancer the old-fashioned way during a screening exam at Naval Amphibious Base Coronado in San Diego. MC2 Dominique M. Lasco/U.S. Navy hide caption

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The iTube platform, left, uses colorimetric assays and a smartphone-based digital reader to detect potential food allergen. A screen capture of the iTube App appears on the right. UCLA hide caption

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Mobile apps and devices track a user's health statistics. But those data are sometimes sold and can end up in the hands of employers and insurance companies. iStockphoto.com hide caption

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Who Could Be Watching You Watching Your Figure? Your Boss
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Who's collecting information about her? Peggy Turbett /The Plain Dealer /Landov hide caption

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Many Apps For Children Still Raise Privacy Concerns, FTC Says
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Apps that can keep kids entertained during long road trips include (from left) Waze, Story Dice, Mobbles, Cobypic, and Postcard on the Run. NPR hide caption

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For Holiday Road Trips, Apps That Promise Diversions For Kids
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Jealous? If you have trouble sleeping, several new apps and devices promise to help you figure out why. In this photo from January, Huan Huan, a female giant panda, sleeps in a zoo in Beauval, France. Franck Prevel/Getty Images hide caption

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Apps For Apnea? New Gadgets Promise To Improve Sleep
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