Engaging chatbots

We chat to NVIDIA about AI chat and how to make it sound more human. Explore making and breaking an emotional connection with AI. And new tech is helping stroke survivors.Presenter: Chris Vallance Producer: Tom Quinn(Image: A colourful illuminated digital screen shows an image of a chatbot. Written text invites users to ask it anything. A human finger is interacting with the bot by pressing on the screen. Credit: Getty Images)