App makers featured at an OpenAI event on Monday mostly have failed to get a lift from exposure to the poster child of the artificial intelligence megatrend. At its OpenAI DevDay 2025 conference in San Francisco, the company showed how software apps can be integrated with its ChatGPT AI engine. Pilot partners for apps in ChatGPT include Booking.com (BKNG), Canva, Coursera (COUR), Expedia (EXPE), Figma (FIG), Spotify (SPOT) and Zillow (Z). But shares of the publicly-traded pilot partners largely have retreat ...