How would one even go back and delete as much of their information as possible from services like Google, Facebook, etc? It's a scary future to imagine, and I

How would one even go back and delete as much of their information as possible from services like Google, Facebook, etc? It's a scary future to imagine, and I think a big reason many people are apathetic about it is due to the complexity in deleting their data and fixing the problem. It's just easier to continue on...