The largest group with an unsatisfied demand for a good book on HTTP is the worldwide group of Web developers. A good book on HTTP can help new and old Web developers alike, as a thorough understanding of underlying protocols can remove the dependencies on specific tool sets and help people create and maintain better Web applications as well as adapt to technologies. HTTP has become an essential topic because the Web's importance has created an army of people creatively leveraging the Web for their specific needs. By making standards information more available to the common developer, standards compliance becomes more widespread and common, something that the industry needs. Developers will buy this book because they want to advance their expertise, and because there is very little documentation available. This book will easily become the standard reference for the Internet's most dominant protocol.