"Incidentally," in texts

• "As an aside ...," in a text
• "Oh, another thing ...," in a text message
• "Incidentally," in chat rooms
• Start of a chat room afterthought
• Lead-in to a texter's afterthought
• Digression shorthand in IMs
• Bit of texting shorthand
• Start of a texter's aside
• "Incidentally," in online shorthand

Wiktionary Word definitions in Wiktionary
abbr. (alternative spelling of BTW English)