The characters in my novels have their personalities based on social media found in the digital archives. Images, text, and video can be mined, processed through algorithms, and with a touch of artistic license; a unique personality can be created. This TED Talk video is an example of how that is already possible with current technology.
Two of the main characters in my upcoming novel, We Built This City, are humans from the year 2025 who cryogenically freeze their bodies after getting serious radiation sickness. Due to the damage incurred by the process, they are not able to be physically revived but instead have their brains uploaded into the virtual world of Simvie Loko. Scientist are now exploring the process of doing such a thing as witnessed by this news article:
Meet Andrew and Brandy Jenson, the married frozen couple who move to Bay City.