Perplexity is extending its bet on chat-powered shopping, aiming to stand out in the crowded generative artificial intelligence market against OpenAI, Anthropic, and Google.The company said on Wednesday that it's partnering with PayPal to let users make purchases directly in chat. U.S. customers will soon be able to book travel, buy products, and secure concert tickets without leaving the platform.Payments will be completed in the chat with PayPal or Venmo, and PayPal will handle processing, shi...