A blunder during one of Michael Phelps' races Tuesday has confirmed that NBC's live stream of Olympic events is not actually live.
A delay of at least a couple of seconds set up a spoiler in the outcome of Phelps' 200-meter butterfly race.
With about 50 meters left in the race, the network sent out an app notification with the outcome. I was still watching Phelps swim, supposedly "live," after a notification on my iPad had already told me the race's result.
Source: LA Times. Read full article. (link)