It is likely that almost all computer users are familiar with email, and probably instant messaging as well. In a matter of a few years, the Internet has completely changed the way we communicate with each other, with one exception, the Telephone. Today we are going to look at Skype, an Internet Phone application currently going through a free beta-test, and generating a lot of buzz. We'll also examine how Internet telephony works, and why you should care. It's been said that Internet based voice calling will replace traditional telephone networks, the only question being how long it will take. Skype could be one of the applications that make this a reality.