'Wii Fit' exercises serious role (USATODAY.com)

USATODAY.com - The creative energy of the video game industry descended on San Francisco this week for the annual Game Developers Conference.Here are highlights of the gathering, which ends today. Nintendo's Takao Sawano, who helped Super Mario creator Shigeru Miyamoto design the upcoming Wii Fit, offered insights about the groundbreaking personal fitness program for the Wii system.