God, grief and the chatbot

<p>When Megan Garcia travelled to Rome, she carried with her a mother’s grief. At the Vatican she met the Pope and asked him to pray for her son Sewell, who died last year at the age of 14. In the months after his death, Megan discovered Sewell had been spending hours talking to an artificial-intelligence chatbot, which he believed was a real person for more than a year. He formed a deep emotional attachment to it, confiding in it about …