Most of the men and women in the study came from a similar background, meaning the results may not apply to everyone.

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One Googler authorized to speak for the company on background (meaning I could use the information he gave me, but not directly quote or attribute it) told me something that I found shocking.

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Through Petrovich, Gill sent word that he would speak with me "on background, " meaning I could not identify him by name unless he was allowed to approve his quotes before publication.

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For many years, it has been typical journalistic practice for high-ranking officials on the campaign or in the White House to demand that interviews be conducted "on background" -- meaning reporters agree to not use direct quotes or identify the person by name.

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The FBI processed 2.78 million background checks through its national database (NICS), meaning last month was the busiest month ever for gun-sellers since NICS began in 1998.

FORBES: Fear About Gun Legislation Pushed Firearm Sales To Record High Last Month