Infoworld has a list of it's innovators of the year.

You know what's the first thing I noticed? Everone on this page, with the single exception of the Google guys, are in their 40's. (OK, one other guy is 38.) I'm trying to draw a conclusion from this. Is it because you aren't in a position (usually) to innovate until your 40's? Or is it because you don't get recognized for your innovations until then? Something else? Any ideas?

Disclosure: I'm 25. I feel like I innovate all the time. Even more so, I know lot's of other people in their 20's who are innovating much more than I.