Analog reviews books. I'm more into fitting books into a bigger picture. Technology won't get you trendspotting, 'course. You still have to do that the old-fashioned way. Kinzel, that's just publishing.
People contact their friends first.
It's discouraging if you're just breaking in, but there are still magazines that aren't all themed. I'm curious what percentage of SF authors break in by submitting a short story, cold, to an editor who doesn't know them. What I did to break in was write a proposal for an SF novel, and then the first editor who read it bought it . . . Autosetaway Please try again in a little bit. But there's a lot more to it than that.