Multimodal Interaction on the Web
The W3C Multimodal Interaction Activity is developing specifications as a basis for a new breed of Web application with multiple modes of interaction. Consider applications which use speech, hand writing, and key presses for input, and spoken prompts, audio and visual displays for output. It is implemented by several drafts, which we will briefly review in this article. These include InkML, a language that serves as the data exchange format for representing ink entered with an electronic pen or stylus; and EMMA, a data exchange format for representing

