"In fact, it wasn't the risky part of our original vision that had to change. It turns out that people really will pay good money for virtual goods. By discover

"In fact, it wasn't the risky part of our original vision that had to change. It turns out that people really will pay good money for virtual goods. By discovering the other problems with our concept early, we were able to preserve our larger long-term vision. And, most importantly, we were then able to prove that it could work." This was a big cliffhanger. I was very disappointed that the article ended without discussing "the other problems" and how they were discovered.