> By the way, the fact that D&D's publisher is trying to build a competitor is a good sign, not a bad one. That means you're working on something worth doing, which puts you ahead of all the pie-in-the-sky gaming startups. It's a signal, and remember that, although they're a competitor, you can learn from them and what they're doing.

I think that this is really good advice. It's a mistake that I would have made just a few months ago, as well. Programmers tend to think of economics as a zero-sum game. It's just as likely that their entry into the market will grow the pie, and you'll benefit, as it will squeezing you out.