This Fortress Sales book is an all-in-one complete digital tool launched by Fortress Real Developments Inc to incorporate more information about Fortress and their products to the printed page accompanied with video, to educate their clients with a new user experience. This multi-page digital sales book is sensor controlled that a different video with clear audio automatically plays on every page flip, and it’s equipped with play, pause and volume control buttons.
Digital Sales Book & User Guide by Karen Yu