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A VPN conceals your IP address by routing your internet traffic through a remote server, preventing anyone surveilling the network from tracking your online activity. Theoretically, that means no one should be able to identify you when you connect to a network and browse the internet, even your ISP. In practice, though, there are plenty of gaps that hackers can exploit. A while back, Lifehacker covered browser fingerprinting, which uses hundreds of data points, like your hardware specs, operating system version, web browser, and GPU signature, to establish a shadow profile that follows you around even when your VPN is enabled. There's another way cyberattackers can intercept your data, and it involves exploiting a communication leak right inside your browser. Major browsers like Chrome, Fi...

We may earn a commission from links on this page. I now have the Apple Watch Series 12 in my hands—or, rather, on my wrist—and have spent the past 24 hours putting it through as many tests as I can manage. I'm pleased with the step counting and the availability of "recovery HRV" (as opposed to the cardiac-health-focused HRV that the Apple Watch previously used) but I'm not sure if the heart rate accuracy is living up to the hype. I'll be putting this device to more rigorous tests, but here are my first thoughts. ...

We may earn a commission from links on this page. Unless you're shopping from a wishlist, buying a book for a big reader is always a fraught prospect. Have they read it? Will they like it? Will they be offended at the mere suggestion that you think it's the kind of book they might like? Will you be crushed when you give them a copy of your favorite book and they never get around to reading it? Buying a gift for someone who prefers to read e-books—whether on a Kindle or one of the many excellent non-Kindle alternatives—can be much less emotionally charged: Instead of risking everything by giving them a book, just get them a cute e-reader accessory (if not a new e-reader) that they will thank you for every time they dive into a good read. A truly pocketable travel e-rea...

We may earn a commission from links on this page. Deal pricing and availability subject to change after time of publication. This 65-inch Samsung M80H TV is currently $647.99 (originally $797.99). For anyone who wants to level up from a smaller TV without having a screen take over the entire room, 65 inches is the sweet spot; it gives you that cinematic feel for movies and gaming but is still easier to place on a media console or stand than a more massive alternative (that said, the 75-inch model is also 33% off right now). This 2026 Samsung release is an entry-level 4K smart TV with a Mini LED backlight, running on the Tizen interface and loaded with Samsung Vision AI features. It supports HDR10+ and Auto HDR Remastering, which aims to enhance older conte...