INTRODUCTION
The growth of high-speed computer networks and the World Wide Web (WWW) have explored means of new
business, scientific, entertainment, and social opportunities in the form of electronic
publishing and advertising, massaging, real-time information delivery, data sharing,
collaboration among computers, product ordering, transaction processing, digital
repositories and libraries, web newspapers and magazines, network video and audio, personal
communication and lots more. The cost-effectiveness of selling software in the form
of digital images and video sequences by transmission over WWW is greatly enhanced due to
the improvement in technology.