It’s the last approach that really interests me: Pollution. Poisoning the data stream. Putting out enough false information that the real information becomes unreliable. At that point, anyone wishing to know the truth about me has to come to me directly, allowing me to control access. It’s hardly a perfect option — the untrue things can be permanently connected to you, and it does kind of make you hard to trust online — but it’s the one approach to opacity that’s purely social and extremely difficult to stop.
Matter cannot be created or destroyed, nor can it be returned without a receipt.