The Cool List 201075. Rivers Cuomo, Weezer. The grand vizier of geek-rock has mellowed with age (my note- Depends on what you mean by mellow. I think he has gotten more active, and hotter than ever!) - and the world has come round to his way of thinking (my note- Yes! It's about time!). In an age where a filmabout Facebook tops the box office, we are all geeks now. And the ecstatic reaction that…