Sentient robots will do everything, from growing food to manufacturing, cooking and even washing us. Humans will have forgotten how technology works, reverting to superstitions and belief that technology is actual magic created by ancient Gods. For thousands of years, robots had been engineering smarter, better robots, and technology had become far too advanced and beyond the reach of human minds... And then, all the robots will simultaneously freeze up at midnight, December 31st, 9999.