It may seem that Valve would be vulnerable to freeloaders—to people who want to take advantage of the system—but peer review is constant. Sure, people get to decide what to work on, but if they can’t convince anyone else it’s a good idea, maybe it really isn’t. Greg says that instead of having the luxury of having someone tell you what to do, you have a group of peers telling you what they think of what you’ve decided to do.
