One was to eliminate useless data to focus security on vital company information, he said.

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Georgia's attackers employed "botnets, " or malicious automated programs that take root undetected in far-flung computers and barrage their targets with useless data.

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The devices may overload busy doctors with reams of useless data.

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And, he stresses, the volume of often useless data generated by social media users during outbreaks of contagious diseases should not be viewed as a problem.

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The denial of service attack, where hackers jam a Web site with useless data that tie up the site's computers, slowed the news site's operations for nearly two hours, CNN.com spokeswoman Edna Johnson said.

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The developers of NOLA Parks, which is currently being used by The Mayors Office, took static, useless data that was provided to them by the City of New Orleans and created an app that identifies the locations and amenities of over 200 recreational parks around the city.

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But data dumps like these are useless without data mining tools.

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Every point the Kinect tracks is filled with unmanageable jitter, rendering the data useless for anything other than the most simple of interactions.

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The data from Facebook is useless unless you refine it.

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As things stand, the U.S. data are next to useless, since it takes several minutes to have other secret signals extracted prior to reaching Japanese forces, according to defense analyst Okabe.

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After that, it's a question of protecting the data and rendering the computer useless in case someone walks off with it while your back is turned at Starbucks.

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Real-time data is, of course, useless without the brains to process it and the brawn to act on it.

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Deleting data implies that the information it represents is useless, which is rarely the case.

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Other types of data, such as sensor output, may be useless drivel to prying eyes.

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And not being especially fond of perfectly-worded, useless questions, we advocate for an end to that sort of data.

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But the U.S. is currently delaying data several minutes, as it separates out other secret signals, rendering them next to useless.

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