The talk covered a great deal of ground in discussing how Blizzard has gotten to be the king of the hill in the gaming world. Key elements included retaining complete creative control, noninterference from parent companies, and building up layers of knowledge over the years that helped them take calculated risks with each successive title. "If we tried to do WoW from scratch, it would be a monumental effort. We already had the community for WoW. Even though they weren't MMO players, they were willing to try it out," said Pardo.
Go check out the entire article at Gamespot here.