I am not an object, no-one owns me. Sorry it's more complex than that!
In the mist of understanding Facebook privacy and Apple location data issues – what about your Tweets, who owns them?
This is a top blog at techblawg “who owns your tweets”
The summary is: You write it, you own it unless you are employed, bound by a contract, gave rights or did not quite understand that you were hoodwinked by someone else and that is whilst you are alive – when your dead it is a whole different problem.