Skype is the world’s fastest-growing Internet communication offering, allowing people everywhere to make unlimited voice and video communication for free between the users of Skype software. Skype generates revenue through its premium offerings such as making and receiving calls to and from landline and mobile phones, voicemail, call forwarding and personalization including ringtones and avatars. There are currently 100 million Skype users worldwide.Skype is headquartered in Luxembourg with offices in Europe, Asia and the United States.