“Instead of being in these arenas of public combat where you have to contend with just everyone all at once, maybe folks are looking for more private experiences or semi-public experiences and maybe there’s a new evolution of social media to come,” he said.

It's not an "evolution". It's a need to go back to the way things used to be. A DEVOLUTION. Back to forum style boards and chat groups, sort of like what we have here, but more bare bones.