A History of Short Words

From the New York Times Crossword Puzzle

THX

Sat, 22 Nov '25
Counterpart of "Pls"
Sun, 26 Oct '25
"Much obliged," in a text
Tue, 30 Jul '24
Text of appreciation
Tue, 21 May '24
Appreciative text
Thu, 7 Jan '21
Texter's message of appreciation