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Most free VPNs aren't safe - they log data, inject tracking, and sell your information. Expert analysis of free VPN risks and safer alternatives.

Plain-English guide to fiber, cable, DSL, 5G and satellite internet: how they differ, how to choose, and when to add a backup.

Many methods to hide your IP don't work as promised. Learn which tools actually protect your privacy and which are just security theater.

IPv4 ran out of addresses in 2011, but the internet still works. Learn how IPv6 is taking over and what it means for your network performance.

VPNs encrypt traffic and hide your IP, but they don't make you anonymous. Learn what VPNs actually protect and where they fall short.

IP geolocation gets your country right 99% of the time but city wrong 50%. Real-world testing reveals accuracy limits and privacy implications.