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Two Men Addressing the Crowd at DEFCON Aug 7, 2011 · 53%

Two Men Addressing the Crowd at Defcon Aug 7, 2011 · 52%

Speaking at the Podium Aug 7, 2011 · 53%

Two Men Deliver Speech at DefCon Conference Aug 7, 2011 · 52%

Podium Power Duo Aug 7, 2011 · 52%

The Art of Public Speaking Aug 7, 2011 · 53%