The best VPN service for 2025

Virtual private networks (VPNs) promise the potential to stream any content, from anywhere. They unlock content from abroad across nearly any streaming service you use regularly, which can come in han [...]

What is a VPN and what can you do with one?

A VPN, or virtual private network, is a tool you can use to protect your identity online, change your virtual location, evade censorship, check out foreign streaming services and more. They mostly tak [...]

One AI module faked 86% of a pipeline's accuracy gains by feeding another the answers

A retrieval-augmented generation (RAG) system is built to answer strictly from the documents it retrieves. But when engineers optimize these AI pipelines end-to-end, the reader module can learn a shor [...]

Are VPNs legal?

VPNs have a mixed reputation, primarily because you can use the technology to hide your location and identity on the internet. Even the best VPNs can be used to conceal crimes and make the perpetrator [...]

The best free VPNs in 2025

A good VPN is worth paying for. Almost every service I'll recommend as one of the best VPNs is either subscription-only or supported by paid plans. Free VPNs do have their place, though, as not e [...]

How much do VPNs cost?

So you've decided you need a virtual private network to hide your browsing activity from your ISP, change your virtual location, stay safe on public Wi-Fi and enjoy all the other benefits. The in [...]

How we test VPNs

VPN users have an unbelievable amount of choice in the market, but lots of those choices are bad. Upwards of 180 virtual private networks are available for commercial users alone. For the casual user [...]

Are VPNs really safe? The security factors to consider before using one

Virtual private networks (VPNs) have been household technology for a while now, but there's still a lot of uncertainty around them. This is partly due to the fact that they can conceal online act [...]

Mullvad VPN review: Near-total privacy with a few sacrifices

Mullvad, a virtual private network (VPN) named after the Swedish word for "mole," is often recognized as one of the best VPNs for privacy. I put it on my best VPN list for exactly that reaso [...]