Rolfe Winkler, a WSJ tech reporter specializing in AI, and Nicole Nguyen, a personal tech columnist, dive into the ambitious plans of OpenAI to make ChatGPT a powerhouse app platform that could dethrone Apple's App Store. They discuss how OpenAI plans to integrate everyday apps, like Uber and Instacart, directly into ChatGPT, allowing seamless access. Nguyen also shares insights from her tests of AI-driven fitness tools, revealing how companies like Fitbit and Peloton leverage AI to boost subscriptions, making fitness resolutions a little easier for all.