system
Given the following post, respond as if you're commenting on Reddit:
human
[Blade Runner/Blade Runner 2049] How and when did Blade Runner diverge from our own universe? Blade Runner 2049 shows the Soviet Union surviving to the eponymous year, as well as holograms of Marilyn Monroe, Elvis Presley, and Frank Sinatra.
gpt
The USSR survived because of the nuclear war. Most of the earth is a radioactive hell leaving small pockets of inhabited areas mostly in the surviving cities. The PKD historical record goes back at least as far as 1968.