Answer: BTW
AnswerCrossword Clue
BTW"Incidentally," in a text
BTWE-mail aside letters
BTWAfterthought introducer
BTWIncidentally, in text messages
BTWIncidentally, in chat-room shorthand
BTWIncidentally, in e-mail shorthand
BTWIncidentally, in Netspeak
BTW"Oh yeah ...," in a text message
BTWStart of a text-message afterthought
BTW"Incidentally," to texters
BTW"Incidentally," in chat rooms
BTW"Oh, also ...," in text messages
BTWStart of an aside, to tweeters
BTW"As an aside," in chat lingo
BTWTexter's afterthought intro
BTWBit of texting shorthand
BTWCousin of FYI
BTWIncidentally, in a txt msg
BTW"Incidentally," on IM
BTWLetters before an emailed aside
BTWEmailer's 'incidentally'
BTWIncidentally, in shorthand
BTW"You can tell a lot about someone ... they use abbreviations": Peter Serafinowicz
BTW"Incidentally," in online shorthand
BTWTexter's segue
BTWStart of a texter's aside
BTWCousin of FWIW
BTWTexter's "incidentally"
BTWFYI relative
BTW"Incidentally" in a text msg.
BTWStart of a texted aside
BTWTexter's "Oh, before I forget ... "
BTWIncidentally, in chat room shorthand
BTWBit of chat room shorthand
BTWStart of a chat room afterthought
BTWChat room afterthought letters
BTWChat room "Incidentally ..."
BTWIncidentally, in chat rooms
BTWIncidentally, in online shorthand
BTWIncidentally, in texting shorthand