The reason Boeing taps Ex-Im financing so frequently is because it makes the most expensive capital goods that the U.S. exports, and those goods are in demand in many places where private-sector lenders are reluctant to extend credit.
It keeps the social element at its core, adding a IM-esque integration so you can chat with just friends as well as a broader platform to dish with other TV fanatics the way 3 Million GetGlue users already do.