An offscreen computer on another seed posted some messages. They then propagated from one seed to the others and then websockets automagically sent the posts th

An offscreen computer on another seed posted some messages. They then propagated from one seed to the others and then websockets automagically sent the posts through to the users sitting at their browsers, which jammed them into the page as it received them (each of the six windows being a different user viewing their own seed and its feed.)