Explore distributed workflows with Flowy in this EuroPython 2015 conference talk. Discover how to build and run asynchronous workflows using various backends, including Amazon's SWF. Learn about Flowy's unique execution model and its ability to simplify complex workflow orchestration, making it ideal for multi-phased batch processing, media encoding, long-running tasks, and background processing. Gain insights into implementing different execution topologies, visualizing workflows using a local backend, and scaling beyond a single machine with external services. Understand the intricacies of video processing workflows, workflow engines, execution paths, and special exceptions. Compare Flowy with other solutions and grasp its potential for enhancing distributed system development.