Could AI keep people ‘alive’ after death?

We might be entering a Black Mirror reality. 
 Businesses are starting to consider how artificial intelligence (AI) could create versions of people after their deaths. But not just as replicas for loved ones that have passed. Asa Fitch reveals how experts are exploring ways AI might confer a kind of digital immortality, preserving the personalities of the departed in virtual form and then allowing them to evolve.