We used to say "Once it is released on the Internet, you cannot get it back." I guess that still holds true - then: you can't (easily) contain its availability

We used to say "Once it is released on the Internet, you cannot get it back." I guess that still holds true - then: you can't (easily) contain its availability, and now: eventually it'll just disappear like everything else. Fans of all that is blockchain will probably disagree with the current meaning, and hold steadfast to the earlier meaning.