Meet Priscilla Chan: 10 things to know about Mark Zuckerberg's wife

She is half of one of the world's biggest power couples, yet little is known about the first lady of Facebook, Priscilla Chan. The woman who captured the heart of the social network's billionaire founder and chief executive, Mark Zuckerberg, gave her first-ever television interview to TODAY's Savannah Guthrie, sharing details about her childhood and what it's like to be married to the face of Fac