Traditional HTML forms violate many of the tenets of good markup language design, frequently mixing presentation and data. This article introduces you to XForms, an extension of XHTML that represents the next generation of Web forms. Though XForms is still in an embryonic state, it holds great promise: For instance, a form written with XForms can be written once and displayed in optimal ways on several different platforms. This article will give you a head start on this important emerging XML technology.