Younited collates your existing cloud accounts, making pictures, video, or whatever else you want to store and share available in one spot, including sharing op

Younited collates your existing cloud accounts, making pictures, video, or whatever else you want to store and share available in one spot, including sharing options with popular services like Facebook FB +0.57%and Skydrive. This is the opposite of "encrypted and impossible for authorities to access unless they get your key, which we don't have." Which is to say, the opposite of private. How does this service offer privacy?