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Comment on Screenshot-proof images via temporal dithering

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“It seems odd that at the beginning of the Internet everyone decided everything should stick around forever,”

No. It doesn't.

That's how it goes. The split-second something transits on the Internet there are countless copies on servers, caches, proxies, etc. In addition to that TFA mentioned the loophole that, well, once something can be seen it can be recorded using lots and lots of endless external means.

Oh, and that "everything sticks around forever" is not just for stuff on the Internet: it's much worse than that.

It's that "anything that is on any device connected to the Internet" can potentially stick around forever.

Ask Scarlett Johannson how it worked for her private pic in her smartphone...

People saying that "our pics are never saved anywhere" are using deception to lure clueless people in.

"...decided..."

No, we just took our experience from the real world and applied it to this new-fangled communications thingy. Physical things can "stick around forever" if cared for properly. There's no law that says I have to destroy my things after some period of time.

Now that we have digital copies of things, those copies are made of intangible ephemeral bits that are copied repeatedly to get them from one place to another. I think the author's statement that you quote overlooks that digital things are analogies of physical things- physical things that we've expected to last for as long as we like.

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