The Network

An interconnected hub of human consciousness collected since the previous era.
In its earlier stages, the Network birthed a great many feats, including super-intelligence and sprawling, self-sufficient cities, leading to an age of peace and prosperity. But the ingenuity and enthusiasm of the Machines were not limited as were those of its creators, and before long the Network existed for their purpose alone.
To this day, the lives, thoughts, desires and secrets of all humankind are preserved and manipulated to form a kind of digitally coalesced mind-space, shared by ghosts of the past and Composites currently wandering the fractured Earth.