Skype
From some of the same developers that wrote KaZaA, Skype is a popular small software program available for Microsoft Windows, Apple Mac OS X, Linux and other operating systems that
enable users to make voice calls to anyone in the world or free calls to other
users with Skype.
On September 12, 2005 eBay acquired Skype for approximately $2.6billion and on Friday April 28, 2006 Skype announced that it had over 100 million registered users. Later Skype was purchased by Microsoft for $8.5 billion in cash.
- The official Skype page can be found at http://www.skype.com/
Also see: IM, Internet definitions, KaZaA, VoIP