I think that was a mistake, they changed the tweet.Tune in today at 3 PM PT for a look at all new #SeaofThieves [RP] gameplay, live on @WatchMixer: https://t.co/8G5atVVVKn pic.twitter.com/UkVEEPnCMD
— Xbox (@Xbox) June 11, 2017
Seems they are doing an EA type thing. 1 hour press conference with then a ~30 gameplay showing as the end.
Xbox on Twitter: "Tune in today after the #XboxE3 briefing for a look at all new #SeaofThieves (RP) gameplay, live on @WatchMixer: https://t.co/8G5atVVVKn https://t.co/J1nqNXalrJ"