All you must know about this application: Yahoo Messangers, Windows Messanger and Skype, because this is a popular chatting software to communication one people to other people, or likes bos can communication with his or her employees, some of this software application chatting have some unique interest depends on what you use for this application, with this application you can communication with your girls friends too ^^, or with your business clients, and this is no just one country  or area  but can communication one country to another country , if we think about application software we must to pay, it is true but if we can get free, why not ^^ and if we smart to search some application software, we can get free,  I will share, the website is : Download YM, Skype and Windows Messanger ,  enjoy it ^^ because it is free