What is a VPN and which is the best?

A virtual private network can help safeguard your online privacy - here's how they work and which ones are the best

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If you’re concerned about people tracking you online, or simply want to be safe on public Wi-Fi networks, then a virtual private network (VPN) is one of the best ways you can secure your internet connection.

A good VPN service, like ExpressVPN, ensures that no one - not even your ISP - will be able to see anything that you do online.

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