4 ms·100% slack is essentially evolved irc.by sleepybrett 8y ago100% slack is essentially evolved irc.jolmg 8y agoThe part I quoted was about Twitter, not Slack. Slack's relation to IRC was already mentioned. Essentially, my comment was "Not just Slack, Twitter too was inspired by IRC."seba_dos1 8y agoI'd bet that quite a lot of early Twitter users were also IRC users.