Mashable: "privacy is just as important as openness"

Finally someone is not just hyping about portability without also considering the flip side.

(3) Privacy is just as important as openness. Where does my data end and yours begin? If you believe that users of Web 2.0 services have some inherent “right” to control their own data but that this data is in inexorably linked to the “social graph,” what “rights” do users have to control where “shared” data goes?