Imagine that you work at an organisation where the employees are located all over the world, and you need to talk to them frequently. You might also have friends and relatives located in different parts of the world. In either case, you will get a huge phone bill if you talk to them frequently via telephone.
The Internet provides a quick, easy, and cost-effective method to exchange messages with other computer users in any part of the world. In addition to E-mail, Internet provides a wide range of communication capabilities such as instant messaging, chat, blogs and social networking Web sites.
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