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Explore the controversial practice of extending JavaScript's built-in objects in this thought-provoking conference talk from JSConf. Delve into the benefits and potential pitfalls of modifying native prototypes, examining real-world examples and best practices. Learn how to safely enhance JavaScript's core functionality, weighing the trade-offs between convenience and maintainability. Gain insights into the evolving landscape of JavaScript development and discover techniques for writing more expressive and powerful code.