about skype

skype is an  application that specializes in providing video chat and voice calls. Users can also exchange text and video messages, files and images, as well as create  conference calls. Skype is available on Microsoft Windows, Mac, or Linux, as well as Android, Blackberry, iOS, and Windows Phonesmartphones and tablets.[16] Skype is based on a freemium model. Much of the service is free, but users require Skype Credit or a subscription to call landline or mobile numbers. As of February 2012, there were 34 million concurrently online on Skype;[17] at the end of 2010, there were over 660 million worldwide users, with over 300 million estimated active each month as of August 2015.