5 Great Free VPN Services Compared: Which Is Fastest?

Virtual private networks, or VPNs, have been around for a while but they still aren’t much of a mainstream service. The only ones who know about VPNs are those who are sufficiently tech-literate, and of the ones who do know, only a fraction actually use them. That’s a shame because VPNs are a fantastic bit of technology that deserve more attention.