399040

DefCon 18: Laptop Warriors Jul 30, 2010 · 44%

Defcon 18 Crowd Working on Laptops Jul 30, 2010 · 44%

A Crowded Classroom at Defcon 18 Jul 30, 2010 · 48%

Computer Warriors Jul 30, 2010 · 47%

Nick Crompton Working on Laptop Jul 30, 2010 · 50%

Nick Crompton in Gray Shirt and Baseball Cap Jul 30, 2010 · 51%

Collaborative Computing at Defcon 18 Jul 30, 2010 · 48%

Collaborative Computing Jul 30, 2010 · 47%

Working Hard at DEFCON 18 Jul 30, 2010 · 47%