Employers have been asking for prospective employees' Facebook username and passwords to do some extra research on whom they may be hiring. Leon Neal/AFP/Getty Images hide caption

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Job seekers waited in line to meet with recruiters at a job fair in Park Ridge, Ill., last month.

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President Obama and Vice President Biden in the Rose Garden of the White House earlier today (Sept. 12, 2011). Alex Wong/Getty Images hide caption

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President Obama
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