Besides taking my comment literally (I now have clarified), lets look at it from a higher level:
The concept of channels, usernames, private messaging in Slack is almost all directly inherited from IRC. There is some great new functionality on top of this core, IRC inspired experience.
Besides taking my comment literally (I now have clarified), lets look at it from a higher level:
The concept of channels, usernames, private messaging in Slack is almost all directly inherited from IRC. There is some great new functionality on top of this core, IRC inspired experience.