Chinese humanoid breaks 100m dash world record. What will it do next?

A humanoid robot has broken Usain Bolt's 100 meter dash record, completing the sprint in 9.39 seconds at the opening ceremony of the World Humanoid Robot Games in Beijing. CNBC's Steve Sedgwick and Ben Boulos debate the merits of the event, both as an entertainment spectacle and a showcase for emerging technology, and discuss the potential next developments of humanoid technology.