That's really interesting. Although I've played around with a longboard I never got into skateboarding in a big way so I wouldn't feel qualified to write about it. Another interesting example is the Triple Cork in snowboarding:
Torstein Horgmo debuted it in 2010: http://www.youtube.com/watch?v=pFGqkq3QqRE
And now they're expected at each X Games: http://snowboarding.transworld.net/1000194812/featuresobf/tw...