Beginning of Essay
Throughout history, humans have always looked for better ways to communicate with one another. Initially, communication began with simple drawings scribbled on cave walls. Today, forms of communication are as simple as a hand-written letter, or as complex as a mul ....

Middle of Essay
.... talk in a chat room, and look at personal or corporate homepages. People in one country can talk to people in another country over the telephone and even see them, in real time, through video conferencing. What people need to communicate is no longer limited by the size of the paper, length of the tape, or cost of the call. As with all forms of communication, people are always concerned with how secure things are. With traditional forms of communication, even with the highest level of security, things are easily stolen - letters and memos can be easily copied; audio and video recordings can be quickly recorded; hard copies of any kind can be easi ....