This is because everyone can contact each other in a second, so everyone is connected. (:. we refer to this as global village.
The means of communication help people to communicate and share things which help them to be in contact. So it made the world a global village,
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Don't forget about the fact that people from completely different places all over the world can talk the each other whenever they want which is something that has never been possible before. It doesn't matter if you're in India, Japan, Sweden, US, Chille or any other country in the world which has some kind of Internet connection and most of them have "some" kind of connection available. That's the true meaning of Global Village :)