PayPal and Venmo users in the U.S. and some global markets will receive early access to Perplexity's new AI-powered Comet browser through a 12-month trial of the startup's Pro subscription, the digital payments company said on Wednesday. The Nvidia-backed startup provides artificial intelligence search tools that deliver information summaries to users, looking to take on OpenAI and Google in the AI-powered search industry. The Perplexity Pro subscription is worth $200 a year or $20 a month. It