Start of an aside, to tweeters

• Bit of texting shorthand
• "Incidentally" in a chat room
• "Incidentally," in IMs
• Incidentally, in texting ... and a hint to three long puzzle answers
• Incidentally, in text messages
• FYI relative
• "What's more ...," in a text message
• "Oh, I forgot to mention," in a text
• "Incidentally..." in texts

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