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This is the greatest advertisement for IRC ever.

• Ascetik 9y ago
  I still prefer IRC, it irked me when my favorite sysadmin channel moved from freenode to slack.
  • lwhalen 9y ago
    Come hang out in #lopsa on Freenode, we never left ;-)
• darkstar999 9y ago
  No it isn't. They would own the IRC server and see everything.
  • ben509 9y ago
    I think Off the Record encryption on IRC is done entirely by the clients, so the server can only store an encrypted blob. It also has forward secrecy. There's no reason you couldn't do the same with a slack client, of course, but your employer could see you had encrypted chats.