A History of Short Words

From the New York Times Crossword Puzzle

BCC

Sun, 13 Aug '23
Concealed field, for short
Fri, 3 Mar '23
Email letters
Tue, 24 Jan '23
Include covertly in an email thread
Tue, 10 Aug '21
Secretly loop in by email
Tue, 18 May '21
Loop in on the DL