Get ready for a slow stream of updates from the official Nintendo Facebook page.
http://www.nintendoworldreport.com/news/30589
Noting that E3 is a marathon, not a sprint, Nintendo has promised info on new games every hour from their Facebook page.
The status update reads "E3 is a marathon, not a sprint. So we’re kicking off a marathon of game content! Starting right now, we’ll be delivering info about a new game every hour for the next 26.2 hours. Can you keep up? Don’t get left in the dust!"
We will be updating this article with all of the updates that come from Nintendo's Facebook page as the hours go by.
For Mile 1, Nintendo notes that in Assassin's Creed III, you can change your weapons on the fly without needing to pause the game. This information is presented with a developer interview, presented below.