ClickZ editor Kate Kaye analyzes the impact of online advertising by presidential contenders Barack Obama, John McCain, and Hilary Clinton, on BNN in May 2008. Barack Obama's and John McCain's campaigns especially, Kaye erts based on analysis of line-item analysis into FEC filings, are both aggressively pursuing keyword advertising as a means of fundraising and contact database building.

Duration : 0:6:9

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