A message reading Happy Birthday... Enjoy Yourself...Did you know that using two spaces after a full stop in typing can reveal your age? It’s a holdover from the mechanical issues presented by typewriters – even style guide APA, a “staunch defender” of double spaces, decided to ditch the grammar quirk in 2019.For me, though, the biggest tell that I’m texting someone over about 60 is their use of ellipsis. Specifically, the use of ”...” instead of a comma or full stop.“Hope you’re well...” is a standard example from my own phone. I find it ominous and vaguely threatening; one Redditor got so frustrated by the quirk they asked whether there was “something in education in the ’70s and ’80s that had led to 45+ year olds in the UK” to use ellipsis instead of full stops or commas in texts. I’d put the trend a bit older on average (Boomers to the poster’s Gen X+), but I’m no expert. So, I reached out to people who were and asked why cert