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A Group Performance at the Defcon Concert Aug 7, 2011 · 50%

Podium Presence Aug 7, 2011 · 49%

Podium Performance Aug 7, 2011 · 46%

Speaking to the Crowd Aug 7, 2011 · 49%

Black-Shirted Man Enjoying A Cold One Aug 5, 2011 · 48%

Group hangout at the local pub Aug 5, 2011 · 47%

Tablet in Hand Aug 5, 2011 · 47%

Lu Yusong Speaking at Defcon 18 Press Conference Aug 1, 2010 · 48%

Defcon 18 Press Conference Aug 1, 2010 · 49%

Defcon Discussion Aug 1, 2010 · 48%

At the Heart of the Crowd Aug 1, 2010 · 47%