Fantasy is, of course, booming, and I think it's beginning to stretch its range as well.
I did not want to write a story about the invasion of Earth, so I had to create a race capable of living nearby, which meant to either on the Moon, on Mars, or on Venus. I picked Venus.
Now, Venus is an extremely hostile environment, and as such presents a lot of challenges for a science fiction author who wants to create life there. However, as I began to research it more thoroughly, I found myself intrigued by the possibilities the world offers.
If I get blocked, it is generally because I don't know enough about some aspect of the story or the characters. The answer for this is generally more research, or making more background notes, so the place and person can be more fully realized inside my own mind.
I feel SF is going through an experimental phase right now.
I myself was born in Sacramento, California in 1966.
My joking answer to this question is that I leave a bowl of milk out on the back porch every night for the Idea Fairy. In the morning, the milk is gone and there's a brand-new shiny idea by the bowl.