Language like this makes me think they don't understand: "essentially locking up your contact data about your friends" Note the first 'your' in that sentence:

Language like this makes me think they don't understand: "essentially locking up your contact data about your friends" Note the first 'your' in that sentence: From Google's P.O.V., the email address of your friend is your data. From Facebook's P.O.V, the email address of your friend is not your data -- it's the friend's data.