In this chapter
This chapter examines these terms, defines them, and looks at their basic composition. The main focus is AJAX because it is the technology that makes the others possible. A short history is provided to give you the context into which AJAX fits. In addition, the chapter discusses some reasons why AJAX didn't take off before 2005 even though the technical obstacles were solved years before. This chapter concludes with an overview of Google's Gmail, gives an overview of the various AJAX features it uses, and shows how Gmail brought AJAX to the mainstream.