Let's talk radio! What's happening in your city? Who's got the hot new formats and how do you get YOUR classical music? Program directors will read this and your voice will be heard. Get Radio-Active here.
I would be wildly atypical, I guess. The only "affinity" I have a bookmark for is bartleby.com - which is a really, really good reference collection.
But I've never been to Michigan, or Miami, and last time I checked I was still female, and... Oh, nevermind. I'll go fix that check valve illustration the engineer sent me...