The World Wide Web (WWW), a worldwide hypertext network based on the Internet is rapidly gaining increasing significance in human's ordinary life. With all links cited one to another, users are able to navigate through a plurality hypertext documents that are stored on a great number of computers in the network at a great distance from one another. The most common way of realizing such kind of navigation is through a short click with the mouse or other pointing devices.

However, there are a number of possible applications of hypertext-based systems wherein the traditional way of inputting instructions or of activating links is considered to be disturbing, undesirable or even impossible. This, for example, is the case when the user is embedded, his hands are busy with managing other jobs or when the ambient conditions for bid the employment of traditional input devices.

Voice recognition is available here as a simple, natural type of input that assumes less expertise on the part of the user than other input means. A voice recognition Internet portal will enable most of us to surf the Internet with a single regular phone line. Furthermore, the meaning of this application is far beyond an ordinary portal. Blind people and less literate ones will be able to enjoy the fantastic cyber life, which probably they have never thought about before.

With the dramatic cost cutting of surfing internet, much more widely usage will be coming from the people who cannot afford a computer with internet connection but want to experience the excitement of internet. Obviously, there exists a huge potential market in favor of online stores, most of which are already in difficulty.