One evening, a peculiar star became visible to those on earth who bothered to take notice. Increasing in brightness with each passing night, its details were soon discernible in the daylight hours. It grew larger and larger, becoming the dominant feature in the heavens as it settled into low earth orbit.
But because this giant thing in the sky was at first benign, and because no one was instructed by their screens to be concerned with it, humans carried on with their lives becoming less and less aware of it and increasingly re-immersed in their many shiny, noisy, useful, interesting, helpful, and distracting things.
Finally, without warning, the giant thing in the sky attempted to communicate with humanity by broadcasting messages in the form of kitsch advertising slogans. But unfortunately for mankind, the meaning of those cryptic transmissions could not be divined before world war three began.
War swept across the planet and the cities and machines fell silent. Even the giant thing in the sky went dark. The survivors were scattered, and over time, their isolation and the passing of the prewar generations had a profound effect. The dwindling enclaves of humanity were left to patch the holes in their culture and history with the crumbs left behind by the age of things.
Then the giant thing in the sky began to wake up . . .