This document discusses the history and evolution of HTML standards from 1991 to 2009. It outlines the major releases of HTML and related technologies like CSS and JavaScript. It then describes some of the new features introduced in HTML5, including new multimedia elements like <video> and <audio>, the canvas element for drawing graphics, storage APIs, and various form input types. The document concludes that HTML5 introduces significant improvements over HTML4, bringing multimedia, threads, drag and drop, and persistent storage without additional plugins. While still a work in progress, modern browsers already support many HTML5 features.