First, the message is important. Then, the guy is a very good public speaker, but ... awesome graphics. I have never seen anyone use such awesome statistical displays. If I was still into maths, I would love that kind of gizmos!
The main thing is that it's not about the gizmo, but about new ways to look at data, which should really be the main job of statistics.
Update: And it turns out there is an online version of it: http://tools.google.com/gapminder/