Scalable chat itself has been solved, but the features the GP wanted were not part of that solution. For example "post links" means you now have to add an exter

Scalable chat itself has been solved, but the features the GP wanted were not part of that solution. For example "post links" means you now have to add an external service - that's not a "solved" feature. Likewise, screen/tmux is not a solution for non-techies like the stereotypical 'marketing guy'. Most people don't even know what a terminal is.