1) Alternatively, online 2) However, on the WWW 3) However, to a texter 4) However, while texting 5) IMHObut then again 6) Quick however 7) Second-opinion introducer 8) Then again in a chat room, 9) Then again in textspeak 10) Then again in tweets 11) Then again to texters 12) Then again, to a texter Found on https://www.crosswordclues.com/clue/otoh