Perplexity AI launches its Comet browser globally, emphasizing user-friendly access to AI-powered search functionalities. The browser, which connects users to results from reputable publications like CNN and The Washington Post, aims to address earlier plagiarism allegations through a revenue-sharing model. Future enhancements include a mobile version and a multitasking feature called Background Assistant. This rollout positions Perplexity, with a valuation of $20 billion, as a significant player in the AI-driven search market.