That's because you're viewing "open" and "connected" through technological terms, as in how other technology can connect with Facebook and how open the Facebook

That's because you're viewing "open" and "connected" through technological terms, as in how other technology can connect with Facebook and how open the Facebook platform is. If you view the words instead in terms of people -- opening people's lives to friends and connecting people around the world at a level that was almost impossible before the rise of social networks -- then it makes complete sense.