"If I may digress ...," in texts

• "I almost forgot . . ." in texts
• Texter's afterthought lead-in
• Texter's "Oh, before I forget ...": Abbr
• "Incidentally," in chat rooms
• "Just so you know," in a text message
• "Incidentally," in online shorthand
• "And another thing," in texts
• Texter's "I almost forgot"
• "Also ...," in a text message

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