1. A system comprising: a central processing unit for processing a presentation of visual content and audio content using: a Voice Browser configured to audibly present voice content from a document retrieved from a computer communications network and to identify a reference in the document that specifies visual content for visual presentation; and a Visual Browser configured to visually present the visual content, wherein the Voice Browser is configured to provide the identified reference to the Visual Browser, and the Visual Browser is configured to retrieve the visual content specified by the identified reference for visual presentation.