Explore Apache Spark's capabilities for analyzing large-scale distributed data in this GOTO Chicago 2018 conference talk. Dive into the world of password security as Kelley Robinson, Developer Evangelist at Twilio, demonstrates how to process and analyze over 500 million leaked passwords using Spark. Learn about Spark's API advancements for Scala, Python, and SQL, and discover techniques for efficient data processing. Gain insights into password trends, popular choices, and security implications. Understand the challenges and benefits of working with Spark, including nested error messages and documentation. Discuss data privacy concerns and practical steps for improving password security. Conclude with audience questions and valuable takeaways for implementing Spark in your own projects.