"Incidentally," in chat rooms

• "As an aside," in chat lingo
• "What's more ...," in a text message
• "Incidentally" in a chat room
• Texter's "Meant to say"
• Incidentally, in shorthand
• "Just so you know...," in a text
• "Incidentally," on IM
• FYI cousin
• Texter's "Oh, yeah ..."

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