Perplexity AI has released a new shopping assistant that lets users search for products, refine results and complete purchases within the same chat interface. The system uses natural-language prompts, remembers past conversations, and integrates PayPal for checkout. The feature is currently available to US users on the desktop and web interfaces.Perplexity AI has released a new shopping assistant that lets users search for products, refine results and complete purchases within the same chat interface. The system uses natural-language prompts, remembers past conversations, and integrates PayPal for checkout. The feature is currently available to US users on the desktop and web interfaces.