Skype: The Essential Communication Tool for Free Calls and Chat
Beyond the basics, Skype offers specialized tools that enhance the user experience: skype communication tool for free calls and chat
By offloading the heavy lifting of user discovery and call routing to Supernodes (users' own computers), Skype avoided the massive infrastructure costs usually associated with telecom providers. This cost-saving is what enabled the provision of free Skype-to-Skype calls. Skype: The Essential Communication Tool for Free Calls