Having said all this, I myself still use Skype (among others). Why? I guess the main reason is its popularity. Skype gives you an open window to talk free to 340 million people worldwide. With Skype, and other applications of the like, you can talk for free with anyone in the world on condition that they are using the same service (Skype in this case) as well. So with that many subscribers, your chances of talking for free is much bigger. Most business contacts, friends and relatives do have a Skype presence.