You usually don’t see Greg Joswiak in product demos… unless it’s a “One more thing.”
Apple’s approach to marketing is special because they know when a consumer needs the marketing manager to talk about the product and when they need a hardware or software engineer. It is about the ability to create desire, explain simple and joyful ideas around an object, and define why you should pay the price of a Pro laptop for a smartphone.
Joz sent a message at the very end of the introduction: it is easier to take a photo of a child with the iPhone Duo because the other screen, facing them, can display a fun cartoon, creating an emotional reaction that you can capture seamlessly.
I believe for some customers, that alone may be enough to justify the purchase.
