Changes have been made by Microsoft in 20 that moved Skype to a centralized Azure service from its previous peer-to-peer paradigm. Skype was originally developed by an Estonian team and was purchased by Microsoft for $8.5 billion in May of 2011. While using the program you can also transfer files among conference attendees, making it a useful tool for conducting business meetings between remotely located individuals. Skype is a very popular application that allows the user to conduct audio or video calls and conferences through their computer or mobile device.