Related Clues:

• F.D.R.'s fireside addresses
• Private AOL exchanges
• Pre-texts?
• Web chat exchange
• Talks — birds
• Uses Gchat, e.g
• Virtual chats
• Social exchanges
• A forum is for 'em
• They're faster than emails
• Types 'hey sup lol' to, say
• I.M. sessions
• GroupMe exchanges, briefly, and a hint to this puzzle's eight longest answers
• Notes from netizens, briefly
• Transmits a quick cybermessage to