172695

Keynote Speaker at Blackhat Conference Aug 7, 2008 · 45%

Keynote Address Aug 7, 2008 · 46%

Keynote Address at BlackHat Seminar Aug 7, 2008 · 49%

Presenting Groundbreaking Technologies Aug 7, 2008 · 47%

Man Speaks at Black Hat Seminar Aug 7, 2008 · 47%

Technology Seminar Aug 7, 2008 · 48%

Two Men at the Blackhat Convention Aug 7, 2008 · 49%

Man with Laptop at Conference Aug 7, 2008 · 50%

Laptop work at the couch Aug 7, 2008 · 51%

Working Remotely Aug 7, 2008 · 52%

Working Hard Aug 7, 2008 · 55%