Nowadays, more than two billion people are using internet around the world. Correspondingly, Internet was the main cause of 10 percent increase in productivity in Small and medium-sized companies. The prediction about the future of internet is in the next 20 years, the Internet is expected to be enormously bigger than it is today, and also everything such as TV, phone, refrigerator, …, will be connected to the internet in summary in the future internet will remove the borders between our real world and virtual world, and we cannot separate our world from internet.