Games people play

Virtual Reality and gaming from the gigantic Electronic Entertainment Expo in Los Angeles. Google chairman Eric Schmidt tells us the company knows less about you than you might think. And MIT physicist Cesar Hidalgo on why economies are like computers. Presented by Rory Cellan-Jones, with special guest Keza MacDonald from the games blog Kotaku.

(Picture: Keza MacDonald and Rory Cellan-Jones).