ABSTRACT
Over the past few years, the global use of the Internet has risen at an exponential rate. Today, there are millions of servers providing billions of Web pages that are used to support electronic commerce, research, marketing, and other activities of organizations, as well as individual users. Accompanying the growth in the use of the Internet is a substantial increase in the use of wireless communications. Over the past few years, the population of cell phone subscribers has also grown exponentially.
