Somebody you meet online (usually on a dating app) that you never actually meet in person. So you continue to have conversations without it ever leading anywhere.

Got the covid-19 vaccine

(homo amicus stylens) A species of human made nearly extinct by the advent of electronic mail, penpals communicate via the ancient art of Penmanship – the inscription of meaningful symbols on filaments of pulped wood. After their creation, these Letters would be entrusted to government officials for transportation and delivery to their intended recipient – often over great distances.

A rare version of the human species that has not yet been sabotaged by the electronic world.

A pen pal is a person with whom one becomes friends by exchanging letters via mail

a person with whom one regularly exchanges letters, often a person in another country whom one has not met

People who want to write letters to other people around the world. They send each other long letters about their life and culture.
This is usually done by people who have nothing better to do.
Or just by people who have an interest in learning about other peoples lifes.