Open Graph is a language for structuring content and sharing that goes on in other apps, and we're continuing to build it out longer term. But we found we need to build more specific experiences around categories like music or movies. Where we've taken the time to build those specific experiences, stuff has gone quite well.

About half my time is spent on business operation type stuff.

When Facebook was getting started, nothing used real identity - everything was anonymous or pseudonymous - and I thought that real identity should play a bigger part than it did.

Mark Zuckerberg Quotes