Explore the surprising complexity and versatility of Ruby hashes in this 32-minute conference talk by Ariel Caplan at Ruby Central. Dive deep into the inner workings of hashes, discover how they form the foundation for powerful standard library utilities, and learn patterns to leverage their functionality for writing concise, performant, and elegant code. Gain insights into topics such as default values, the Abbrev library, memoization, and more. Enhance your understanding of this fundamental data structure and unlock new ways to optimize your Ruby programming skills.