The world of extreme sports is also one of big business. Kids might think that snowboarding is the ultimate freedom, but this freedom is being marketed to them by commercial sponsors.

I'm riveted by extreme sports like big-wave surfing, 'megaramp' skateboarding and half-pipe snowboarding. I'm fascinated partly because the sports are so exhilaratingly acrobatic. But I'm also captivated by the fear that a terrible accident might happen at any moment. And accidents do happen.

Extreme sports tricks are becoming increasingly complex, the courses ever more challenging and crashes all too common.

I love extreme sports, I like snowboarding and motorcross and rollerblading and hockey.

It's much more related to sports, extreme sports, ... But it's not for snowboarding, or skateboarding, all this kind of stuff.

What these guys are doing out there is something that maybe 1 or 2 percent of the extreme sports fanatics can actually achieve to get out there in 18-foot waves? It's crazy.