"If I give DIPS away for free once, that's fine," he says. "I came up with an idea that was monetized to the hundreds of millions of dollars, and I'm broke. I'm glad I did it. Can't do it anymore. I've done enough to prove I can at least do something. Boy, that's a revolutionary idea that changed baseball. Can you do it again? No. I can't do it again unless you pay me."
A really good article on Voros McCracken.