We also know how to make ice cream.

No. We use various other methods, for example i summoned a lesser devil and ordered him to telepathically convey the content of your post into 456 white mice which used my second computer to input the content into text to speech device which read it to me loudly using the voice simulacrum of dying pope John Paul 2.

I must say that being illiterate wasn't such a hassle a century ago.