Developed for secure government communications, Spitfire uses a broad frequency spectrum virtually immune to eavesdropping or interference.

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He points out that Facebook uses a deliberately broad definition to come up with that number.

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"They are looking for strings that have broad uses and where one entity is seeking exclusive use, " he told the BBC.

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Xenex uses harmless xenon gas to blast a broad spectrum of UV wave- lengths in all of ten minutes.

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The 14-point guide which the IRS uses to judge whether an organisation is exempt is open to broad interpretation.

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Scientists are still investigating how the broad range of nanoparticles, with their myriad potential uses, would react in the body.

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Social Intelligence Corp. takes personal information given to the company by its clients and uses its own software to search the web for user-generated content, collecting a broad array of links and categorizing data to generate matches.

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