Correct grammar is so last generation. If you’re still using proper punctuation and capital letters while texting, your age might be showing, as typing in all lowercase has become a Gen Z hallmark.

Today's computer programs sometimes require lowercase and uppercase letters to be entered, but when computers were first introduced, all uppercase letters were used for program input. Various users ...

A recent directive issued by the U.S. Navy was transmitted in the customary format, using all uppercase letters. Sailors, it said, are: "AUTHORIZED TO USE STANDARD, MIXED-CASE CHARACTERS IN THE BODY ...