VP for Business Development at Chegg Elizabeth Harz speaks at the "Research Revealed" seminar during Advertising Week on Tuesday, Oct. 2, 2012 in New York. (Photo by Charles Sykes/Invision for ... more 
VP for Business Development at Chegg Elizabeth Harz speaks at the "Research Revealed" seminar during Advertising Week on Tuesday, Oct. 2, 2012 in New York. (Photo by Charles Sykes/Invision for Advertising Week/AP Images) less 
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Associated Press
Tue, Oct 2, 2012 11:49 PM EDT