Skype, developed by Skype Limited and then acquired by eBay, is a software application that allows users to make voice calls over the Internet and communicate with each other by traditional IM (instant messaging).
This freeware with some paid features is also popular because of
its other characteristics such as file transferring and video
conferencing. Calls to other users within the Skype service are free, while calls to both traditional landline telephones and mobile phones can be made for a nominal fee using a debit-based user account system.
The Latest Version.
The most recent version of the program is Skype 4.2 which
works with Windows Microsoft, Mac OS X and Linux. In
addition, this program is also available for mobile
phones, iPhone and even PlayStation® Portable. Skype is
a multilingual software.