Technology changes the way people think, do business and communicate. In the

past century, more and more innovative methods of communication technology have

been developed. The most common and some unusual types of communication

technology which has been developed include the telephone, radio, telephone

conferencing, cellular phones and wireless application protocol $($WAP$).$

With this background in mind, provide a detailed and critical discussion of the

unusual types of communication technology which have been developed and

used in the public service. Illustrate with the use of suitable examples.