It was not until the appearance of cyberpunk in the 1980s that SF began to grapple in a broadly meaningful way with the reality of computers as something other than giant mainframes tended by crewcut IBM nerds.
The most important thing for any aspiring writer, is to read! And not just the sort of thing you're trying to write, be that fantasy, SF, comic books, whatever. You need to read everything.
East is East, and West is San Francisco
Historical fiction is actually good preparation for reading SF. Both the historical novelist and the science fiction writer are writing about worlds unlike our own.
There's no possibility that foresight work will ruin my creativity. It goes to a different area than the creative wellspring of SF.
If you're going to San Francisco, be sure to wear a flower in your hair.
I was only eight when Sputnik was launched, and at that age the boundary between science and fiction is pretty blurry. Whichever way the process ran, I've been a fan of science and SF ever since.
Science offers no brief for the telekinetic powers of Darth Vader and hardly any greater justification for the faster-than-light travel that makes his empire possible. And yet what is 'Star Wars' if not pure quill SF?