TLDR proof of care from the article: a low bandwidth process (e.g., from handwriting to tattooing it on your body) that you voluntarily put your words through to convey their level of personal importance.

Some of his examples were tongue in cheek. But even handwriting feels a little too laborious when what we lost that needs replacement is manual typing.

Not to mention accessibility, which as usual benefits everyone with features such as text search, so I guess we‘ll keep looking for an answer.

Typewriters?