Are free VPNs safe, and should you pay for one?

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In an increasingly complicated digital world, virtual private networks (VPNs) have never been so important. But often, they don't come cheap. Luckily, that's where the vast market of free VPNs can help.

The best VPN services can help boost your online privacy by encrypting your traffic and masking your IP address from the sites or apps you use from your ISP (internet service provider)...