Explore serverless messaging patterns crucial for scaling applications in this 27-minute conference talk by Jeff Hollan from Microsoft. Dive into the intricacies of event-driven architectures, comparing queues and streams, events and messages, and ordered versus unordered processing. Learn from Azure Functions' experience serving thousands of customers with billions of daily executions. Discover common messaging patterns, capabilities, and best practices for event-driven systems at scale. Examine real-world scenarios in e-commerce and banking to understand practical applications. Gain insights into serverless runtimes, programming models, and key takeaways for implementing robust messaging solutions in your serverless applications.