Explore the evolution of programming languages and web technologies in this insightful JSConf talk by Douglas Crockford. Delve into the history of loops, event loops, and early compilers, tracing the development from Fortran to JavaScript. Examine the challenges of threading, security issues in web development, and the emergence of server-side JavaScript. Gain valuable insights on cross-site scripting, HTML5 hazards, and the importance of web standards. Learn about innovative concepts like continuation passing and discover how past programming paradigms have shaped modern web development practices.