Destiny ViDoc - Pathways Out of Darkness 0299
... to reach players in ways that we really haven't before, we're really going to make a conscious effort to build an experience which is going to be meaningful for people. How do you keep a player going for 50 or 100 hours over some number of months and to not just want to play the game, but want to play it with their friends.
-- Jason Jones
Here we see a bit of mobile integration, with a notification of a new Destiny chapter in the Venus location entitled "The Queen". Swiping the notification brings up the next screen with more information about the chapter.