Explore the powerful features of seq.el and map.el libraries in Emacs with Nicholas Petton's insightful conference talk from EmacsConf 2015. Dive into practical examples demonstrating the versatility of these libraries, learn about streammap.el, and gain valuable insights through an interactive Q&A session. Enhance your Emacs skills and discover new ways to manipulate sequences and maps in your Emacs Lisp code.