Onward. Freedom lives in the key rather than the app: a signed note travels to the next relay, and that portability is what email and every platform never handed anyone. Deletion is the honest test. The deletion-request NIP lets you ask relays to drop an event, some will, but nothing compels it. Signed bytes can sit on any mirror that kept them. Holding your key means owning what you said, including the parts you might want back.