All I've really ever done is write since I was 17, so I don't know anything about anything. For me to do a novel, I have to talk to people who know things. And what keeps me in suspense is that I am a crime aficionado.
The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. The trick is to pick the features that don't fight each other.
The musicals had a good, happy feeling, saying that the world is a better place. They say it's not reality, but who cares? There's too much reality these days.