Facebook's Initial Public Offering (IPO) filing brought surprising information: the company has hired former Apple marketing executive Rebecca Van Dyck. Van Dyck served in a similar role at Levi's after leaving Apple. She started working at Apple in January of 2007, and was involved in the marketing of the iPod, iPhone, and iPad. AdAge talked with Van Dyck last year about what she learned at Apple, noting that with the iPhone, "It was first and foremost about the user experience. And that's how I approach marketing, that theme of focusing on the user experience and what's important to the custome