David J. Rosenthal gave a presentation about Microsoft's Azure cloud platform. He discussed how Azure can help companies with digital transformation by engaging customers, empowering employees, and optimizing operations. He provided examples of how companies are using Azure services like AI, IoT, analytics and more to modernize applications, gain insights from data, and improve productivity. Rosenthal emphasized that Azure offers a secure, flexible cloud platform that businesses can use to innovate, grow and transform both today and in the future.