Yep, in the 'olden days', when ya had a hankerin'* for some gal or guy, and phones didn't exist, and electricity was mysterious, you'd sit down and write them a post card. But post cards were invented after phones, though, so never mind. I was thinking about a telegram. No I wasn't.
CM Evans Cartoons
* Hankerin', Hankern', Hank-er-un', Hankrin', Ben Franklin', Hunkerun', Hunkrin'