Imagine how much people have been sharing online, with friends and even the public. This includes photos, status updates, locations, all that while tagging friends who may not be aware they are being connected with photos, events, and places. It’s not even limited to Facebook. No matter how little you share, all the metadata involved in just about anything you do online can constitute your digital persona
https://thenextweb.com/contributors/2017/08/11/big-brother-name-facebook/#.tnw_jqWbVUHV