pid controller

Dick Hardt's fast-paced OSCON keynote on Identity 2.0 and the move toward user-centric digital identity. It is also famous for its rapid-fire, many-slide presentation style.

Cuong Do of YouTube describes how a handful of engineers scaled the site, covering hardware, software and database scalability challenges during its rapid growth. The talk was given at the 2007 Seattle Conference on Scalability.