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    How passkeys work: Going passwordless with public key cryptography

    Vitalii Gulenok/Getty Images For the last five years, the FIDO Alliance — led by Apple, Microsoft, and Google (with other companies in tow) — has been blazing a trail toward a future where passwords are no longer necessary in order to login to our favorite websites and apps. This so-called passwordless future is based on […] More

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    Why your USB-C device won’t charge – and what you can do instead

    Did your gadget come with one of these? Don’t throw it away! Adrian Kingsley-Hughes/ZDNETWhile USB charging is better than the mess of proprietary connectors and protocols that came before it back in the dark ages, it’s still not the utopia the tech industry wants you to believe it is. Here’s a good example. I have a portable thermal label printer More

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    Best Prime Day security camera deals: My 40 favorite discounts that end tonight

    When is Amazon Prime Day 2025? This year, Prime Day is July 8-11, but the deals can pop up way before and stay a while after the dates. Are security cameras really cheaper on Prime Day? The short answer is yes. There are a few cases where retailers inflate normal prices to make it look like sales are better than they are. However, there are lots of deals that are worth the purchase and are great offers to snag. At ZDNET, we make sure all the deals we round up don’t seem sketchy, so you can get the most bang for your buck.How did we choose these Prime Day deals?We at ZDNET only write about the deals that we would want to take advantage of, whether that’s a new hot product or one that’s kept a secure spot on our best lists. As deal experts, we make sure to find deals that cut the price 20% or more, or for products we rarely see on sale, while using price comparison tools to ensure that anybody’s money is well spent. When we don’t have expert advice, we use customer reviews and online forums so we know real people are enjoying and using the said product that’s on sale. And with ZDNET’s very own lab space, we make sure to deliver deals on products that performed the best. Our goal is to help you shop smarter with the best advice and context possible. What are the best Prime Day deals so far?ZDNET’s experts are searching through Prime Day sales to find the best discounts by category. These are the best deals so far:You can also find the best deals from other retailers competing with Prime Day sales: More

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    These Prime Day smartwatch and fitness tracker deals likely won’t apply tomorrow

    When is Amazon Prime Day 2025? Amazon Prime Day takes place from July 8 through July 11 this year. This is when the retailer cuts deals on thousands of products, mostly ones it owns (think Kindle, Ring, and Alexa). To get in on the deals hype, other brands will discount their products during Prime Day to boost overall sales. Are health trackers really cheaper on Prime Day? I’ve seen some sweet discounts on health trackers during my time as an editor covering these events. We’ve seen record savings on tech, including Apple Watches and Oura Rings. Should I buy a smartwatch or a smart ring?A smartwatch functions as a health tracker and an around-the-wrist companion to your phone. You can answer texts, set timers, ask the smartwatch’s AI assistant questions and more with an Apple Watch, Pixel Watch, Galaxy Watch, or Garmin. It will record your exercise and sleep and deliver that through the smartwatch’s health app, as well as on your phone’s health app. A smart ring is a little different. It doesn’t have a screen, so it won’t distract you throughout the day with pings or messages. All of the data it collects is displayed on your phone. If a smartwatch is a lifestyle wearable with health functionalities, a smart watch is a health-centered wearable. How did we choose these Prime Day deals?I cover health wearables for my job, and I’m particular about the products I like and don’t like. If something isn’t worth my while, I’m not writing about it. The same goes for these deals. Our experts looked for deals that were at least 20% off (or are hardly ever on sale), using established price comparison tools and trackers to determine whether the deal is actually on sale and how frequently it drops. We also looked over customer reviews to find out what matters to real people who already own and use the deals we’re recommending. Our recommendations may also be based on our own testing — in addition to extensive research and comparison shopping. The goal is to deliver the most accurate advice to help you shop smarter. What are the best Prime Day deals so far?ZDNET’s experts are searching through Prime Day sales to find the best discounts by category. These are the best deals so far:You can also find the best deals from other retailers competing with Prime Day sales: More

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    Add Apple CarPlay or Android Auto to your older car with this $94 screen

    Amazon/ZDNETI love my 2015 Toyota Rav4, but it’s definitively not up to date in terms of tech, which left me attempting to mount my phone to access Google Maps and Apple Podcasts. A couple of years ago, I invested in this 10-inch screen so I could access Apple CarPlay and all of my helpful phone apps without having to attempt to juggle my phone in the car — and it’s been a game-changer.Right now, the Veralady Wireless Android & CarPlay Screen More