Noun
penpal (plural penpals)
Alternative spelling of pen pal
A modern variation on the traditional penpal arrangement is to have a keypal / epal and exchange email addresses as well as or instead of paper letters. Source: Internet
In the modern day, most Esperanto speakers talk to each other through the internet — which is just the modern version of a penpal. Source: Internet
The FB is then passed around from penpal to penpal, and can often also become a way for one to meet new penpals. Source: Internet