Virtual private network

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A virtual private network or VPN for short, is a way of connecting a computer to a remote network. Most people using computers connect to the World Wide Web using a normal network - they use dial-up or broadband. A VPN is a little bit different. It's used by some workers to connect using a laptop to do work - they can check their work email and see work websites which can not be seen on the normal internet.[1]

VPN offers often anonymity by hiding user and making very hard for anyone to track him.[2]

Recently VPN is often used to access to the websites blocked in some countries, like China.[3]

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