OpenAI says over 400 million people use ChatGPT every week. But how does interacting with it affect us? Does it make us more or less lonely? These are some of the questions OpenAI set out to investigate, in partnership with the MIT Media Lab, in a pair of new studies.  They found that only a small subset of users engage emotionally with ChatGPT. This isn’t surprising given that ChatGPT isn’t marketed as an AI companion app like Replika or Character.AI, says Kate Devlin, a professor of AI and so...