"One more thing..." online

• "just 1 more thing . . ."
• "One more thing ...," in a text
• Start of an aside, to tweeters
• Incidentally, in e-mail shorthand
• Digression shorthand
• "If I may digress ...," in texts
• Incidentally, in IMs
• Texter's afterthought lead-in
• Texter's afterthought intro

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
Internet abbreviation of by the way , in use by 1989.