No idea what he meant, but here is my take.
Conversations online often come with tedious parts, like logging into the system, composing messages with these awful input devices, double checking the recipients, etc.
Do you want these just in order to pat your friend's back to cheer him up, or to make some insider jokes?
And it's not just a UI issue; we have to design the system from the ground up to remove the obstacles for lightweight communication.
