If you are in the business of web design, you have probably invested considerable time into getting to grips with HTML 4.01. However, change is under way in the world of web design. Continuing to rely on HTML 4.01 is not advised, as all your competitors will soon be using the new and improved version - HTML 5. Fear not, you will still be able to use your in-depth knowledge of 4.01, by simply building on what you know.