This has got to be the most creative presentation of stats on world poverty and health I've seen. Watch for the changes from 1960 to the present. Great way to capture the imagination, and communicate a message.
Had he simply produced sheets of paper with figures on, he wouldn't have got a standing ovation. The way you present the message is vital to how you get it across. The conclusion of the talk is all about this: how do you link data to design, so that the message can be heard. We need to see things as well as hear them.
Original vid and a sizeable online discussion here.