People watch real-time puck and player tracking technology on display during an NHL hockey game between the Vegas Golden Knights and the San Jose Sharks in Las Vegas, Thursday, Jan. 9, 2010. The N …

People watch real-time puck and player tracking technology on display during an NHL hockey game between the Vegas Golden Knights and the San Jose Sharks in Las Vegas, Thursday, Jan. 9, 2010. (AP Photo/John Locher)