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The Mozilla Foundation and dozens of other research and advocacy groups are pushing back on Meta’s decisions to shut down its research tool, CrowdTangle, later this year. In an open letter, the group calls on Meta to keep CrowdTangle online until after 2024 elections, saying that it will harm their ability to track election misinformation in a year where “approximately half the world’s population” are slated to vote.

The letter, published by the Mozilla Foundation and signed by 90 groups as well as the former CEO of CrowdTangle, comes one week after Meta confirmed it would shut down the tool in August 2024. “Meta’s decision will effectively prohibit the outside world, including election integrity experts, from seeing what’s happening on Facebook and Instagram — during the biggest election year on record,” the letter writers say.

“This means almost all outside efforts to identify and prevent political disinformation, incitements to violence, and online harassment of women and minorities will be silenced. It’s a direct threat to our ability to safeguard the integrity of elections.” The group asks Meta to keep CrowdTangle online until January 2025, and to “rapidly onboard” election researchers onto its latest tools.

CrowdTangle has long been a source of frustration for Meta. It allows researchers, journalists and other groups to track how content is spreading across Facebook and Instagram. It’s also often cited by journalists in unflattering stories about Facebook and Instagram. For example, Engadget relied on CrowdTangle in an investigation into why Facebook Gaming was overrun with spam and pirated content in 2022. CrowdTangle was also the source for “Facebook’s Top 10,” a (now defunct) Twitter bot that posted daily updates on the most-interacted withFacebook posts containing links. The project, created by a New York Times reporter, regularly showed far-right and conservative pages over-performing, leading Facebook executives to argue the data wasn't an accurate representation of what was actually popular on the platform.

With CrowdTangle set to shut down, Meta is instead highlighting a new program called the Meta Content Library, which provides researchers with new tools to access publicly-accessible data in a streamlined way. The company has said it’s more powerful than what CrowdTangle enabled, but it’s also much more strictly controlled. Researchers from nonprofits and academic institutions must apply, and be approved, in order to access it. And since the vast majority of newsrooms are for-profit entities, most journalists will be automatically ineligible for access (it’s not clear if Meta would allow reporters at nonprofit newsrooms to use the Content Library.)

The other issue, according to Brandon Silverman, CrowdTangle’s former CEO who left Meta in 2021 is that the Meta Content Library isn’t currently powerful enough to be a full CrowdTangle replacement. “There are some areas where the MCL has way more data than CrowdTangle ever had, including reach and comments in particular,” Brandon Silverman, CrowdTangle’s former CEO who left Meta in 2021 wrote in a post on Substack last week. “But there are also some huge gaps in the tool, both for academics and civil society, and simply arguing that it has more data isn’t a claim that regulators or the press should take seriously.”

In a statement on X, Meta spokesperson Andy Stone said that “academic and nonprofit institutions pursuing scientific or public interest research can apply for access” to the Meta Content Library, including nonprofit election experts. “The Meta Content Library is designed to contain more comprehensive data than CrowdTangle.”

Fediverse support in Meta Threads is up and running in beta. Mark Zuckerberg wrote on Thursday that adult Threads users in eligible countries can now turn on sharing to the fediverse — including Mastodon and other ActivityPub services. Before today’s wider beta rollout, Meta had been testing the cross-platform compatibility with a handful of accounts since late last year.

The fediverse is a collection of decentralized online communities (servers) that speak the common “language” of ActivityPub. This lets each hub maintain its own rules and members while still allowing posts, likes and other content to appear on others. Meta promised to support the fediverse when Threads launched last year.

In a post from December, Zuckerberg framed the integration as a way to let the young platform’s content reach more eyeballs. “Making Threads interoperable will give people more choice over how they interact and it will help content reach more people,” he wrote. “I’m pretty optimistic about this.”

The feature is opt-in. If you toggle fediverse sharing on, people on other ActivityPub servers can search for and follow your profile, see and interact with your posts and share them with users in their (or any other) compatible fediverse community. Their interactions will be shared with Threads.

There are some limitations while the cross-platform compatibility is in beta. Although likes from different platforms will appear on Threads, replies and follows from those communities won’t. In addition, polls and posts with reply controls can’t be shared with non-Threads communities. So, for now, the integration is doing little more than pushing Threads posts to Mastodon and other fediverse communities, along with a few extras.

You can activate the feature in the Threads app. Head to Account Settings > Fediverse sharing and follow the instructions to opt in and check it out. Meta says the test is only available in the US, Canada and Japan to start.

Roborock robot vacuums are up to 49 percent off as part of the Amazon spring sale. All told, dozens of items are available for a discounted price, from standard robot vacuums to manual cleaners.

The most enticing offer here is likely the company’s flagship S8+ robot vacuum, which is 30 percent off. That drops the price down to $700, a record low for the device. This is a vacuum/mop hybrid that automatically deposits debris into an affiliated dock. Roborock says the dock is large enough, at 2.5 liters, to store up to seven weeks of dirt and dust before requiring a trip to the trash can.

It’s also powerful enough to clean hardwood, tiles, carpets and even thick rugs. It boasts the same kind of light and infrared imaging technology as rival robovacs, so it’ll automatically avoid floor-based hazards. The affiliated app gives access to a 3D map of the space, allowing people to adjust cleaning routes as they see fit. We have consistently enjoyed Roborock vacuums, though have found the app to be a bit on the wonky side.

The company’s Q5 robot vacuum is also on sale for $220, which is a 49 percent price drop. This is an entry-level product that lacks many of the premium features found with the S8+, but it’s still a great choice for simple cleaning tasks. The Q5 can easily handle pet hair, dust, dirt and all manner of debris, though there’s no mop feature. The battery does last for three hours before requiring a charge, which is a decent metric. It also integrates with voice assistants.

Other deals include the Roborock Q8 Max, which features a mop but lacks a self-emptying dock, for $400, and the Dyad Pro combo wet/dry manual vacuum. This cordless vac is $460 throughout the sale period, which is a discount of 30 percent.

Follow @EngadgetDeals on Twitter and subscribe to the Engadget Deals newsletter for the latest tech deals and buying advice.

Amazon's Big Spring Sale is still rolling on. While the offers aren't as extensive as what we typically see during Black Friday or Prime Day, there's still more than a few discounts worth calling out. And if you're specifically looking to make an upgrade without spending too much, a few of the sale's best deals apply to budget tech we've recommended in our various buying guides. To help you cut through the noise, we've picked out the best Amazon Spring sale deals under $50 below. The highlights include our favorite affordable earbuds, a handful of good Bluetooth trackers and Amazon's own Fire TV Stick streaming players and Echo smart speakers. As a refresher, Amazon says the sale will run through March 25.

Your Spring Sales Shopping Guide: Spring sales are in the air, headlined by Amazon’s Big Spring sale event. Our expert editors are curating all the best spring sales right here. Follow Engadget to shop the best tech deals from Amazon’s Big Spring Sale, hear from Autoblog’s car experts on the best spring auto deals on Amazon, and find spring sales to shop on AOL, handpicked just for you.

Spotify has added a long-requested Miniplayer to its desktop app, giving you quick playback access while freeing you to focus on other things. The resizable floating window lets you control the audio, including changing tracks, picking playlists and tweaking the volume. The company says the feature has already started rolling out to Premium subscribers.

Once it becomes available in your app, you can launch the Spotify Desktop Miniplayer (its proper name) by clicking on a square on the far lower right side of the app, to the right of the standard playback controls. After clicking that, a floating window appears next to the full application.

The resizable Miniplayer can function in a square aspect ratio, ideal for videos; as a thinner bar, it's minimally intrusive and offers play / pause and skip track controls next to the current track’s info and album art.

The feature potentially voids the need for third-party apps (like Alfred Spotify Mini Player, Lofi Spotify Mini Player and SpotMenu) to fill what some users saw as a big oversight from the streaming service. (A Spotify community post requesting it in 2019 had over 3,000 upvotes.) Apple Music has had an equivalent MiniPlayer for macOS and Windows for ages. As it sometimes does, Spotify took its sweet time.

Spotify described the Miniplayer as rolling out to Premium subscribers first, which suggests it could eventually reach users on the free plan. If you’re a Premium subscriber, look for the little square toggle appearing to the lower right of the desktop app before long.

As Amazon's spring sale rolls on, we're seeing deals on some of the Logitech gear we recommend, including the Logitech Brio 500 webcam. It's down to $96 after a 26 percent discount off its $130 list price. That's not an all-time low — just this January, it dipped about $13 lower, but this is still a decent savings on the webcam we named the best for most people. If the camera included with your laptop isn't making your video appear as bright or clear as you'd like on video calls, this can help.  

The Logitech Brio 500 shoots in 1080p at 30fps and has a wider field of view than the previous model. We were most impressed with the light correction that made a dark office look bright. It also works with Logitech's customizing software for adjusting field of view, autofocus, contrast, brightness and more. The cam also features ShowMode which lets you present items on your physical desktop, and RightSight that keeps you in frame even when you move around. 

Even at $96, the Brio 500 may be too much for some to spend. We suggest the smaller Brio 300 in our same buyer's guide. It's a pared down version without HDR or an adjustable field of view. It also can't do ShowMode. But it does shoot in 1080p resolution, supports auto light correction and has a noise-reducing mic. Right now, that one is on sale for the lowest price yet. A 33 percent discount brings it to $40, instead of the $60 list price.  

Another notable deal is a combo set that bundles the latest model of one of our favorite mice for productivity with the next generation of one of our recommended keyboards. The Pebble 2 Combo keyboard and mouse is now $50, which is $10 off and matches its all time low — a price we've seen it hit a few times this year. 

Your Spring Sales Shopping Guide: Spring sales are in the air, headlined by Amazon’s Big Spring sale event. Our expert editors are curating all the best spring sales right here. Follow Engadget to shop the best tech deals from Amazon’s Big Spring Sale, hear from Autoblog’s car experts on the best spring auto deals on Amazon, and find spring sales to shop on AOL, handpicked just for you.

The Amazon Spring Sale will continue through Monday, and right now it's bringing a $30 discount to the company's upgraded e-reader, the Kindle Paperwhite Signature — but unlike most of the savings we're seeing this week, this Kindle deal is only for Prime members. The sale makes the E-Ink slab just $160 instead of its $190 list price. While we've seen it go lower, dropping to $125 for last July's Prime Day, this is still a rare chance to save on a device that doesn't go on sale often. Engadget's Nathan Ingraham called the Paperwhite Signature the "best e-reader. Period." when he reviewed it upon its debut a couple years ago. 

The Paperwhite Signature Edition is an upgrade over the standard Kindle: It has a larger, 6.8-inch screen, 32GB of storage, auto-adjusting warm front lights and wireless charging capabilities. It also comes standard without lockscreen ads — it costs $20 to disable those on other Kindles.

In his review, Nathan particularly appreciated the premium feel of the device. The flush-front touchscreen is responsive, quickly recognizing taps and swipes with little lag when typing on the on-screen keyboard. The bottom bezel is a good size for keeping a grip on the reader, but the thin bezels on the sides give plenty of room for the 300 pixel-per-inch content. The warm front lights adjust in response to the light in the room and can also be programmed to shift to a more amber hue at night.  

Your Spring Sales Shopping Guide: Spring sales are in the air, headlined by Amazon’s Big Spring sale event. Our expert editors are curating all the best spring sales right here. Follow Engadget to shop the best tech deals from Amazon’s Big Spring Sale, hear from Autoblog’s car experts on the best spring auto deals on Amazon, and find spring sales to shop on AOL, handpicked just for you.

Just as it did in the US last year, Warner Bros. Discovery (WBD) is transitioning HBO Max to just Max in Europe, folding in Discovery+ content and live sports in the process. Max will first be available on the continent in the Nordics, Iberia and central and eastern Europe on May 21. It will hit Poland, the Netherlands, France and Belgium shortly afterward (curiously, the streaming service will still be called HBO Max in the Netherlands and Belgium, even though it includes Discovery and sports content there).

This will be the first time that WBD's streaming service will be available in France and Belgium, and those are the first new territories for the platform in over two years. All told, Max will soon be available in 25 European countries and 65 countries and territories globally as it aims to compete with the global reach of Netflix.

In the countries where Max is available in Europe, that will be the only place where viewers can watch every moment of the 2024 Paris Olympics (Peacock is streaming more than 5,000 hours of live action from the event in the US). The Olympic Games will be available on all Max subscription plans on the continent.

As in the US, Max will be available in several tiers in Europe. There will be a basic ad-supported plan in select countries and a standard plan, with the option to stream on two devices simultaneously in Full HD resolution and up to 30 downloads for offline viewing. The premium plan offers 4K streaming with Dolby Atmos on up to four devices at once, and up to 100 downloads for offline viewing. Pricing will vary by country.

There will be a sports add-on that includes Grand Slam tennis, cycling’s Grand Tours, 24 Hours of Le Mans, livestreams of linear networks Eurosport 1 and Eurosport 2 and lots more. Max will also offer live linear networks in some countries on select plans, including CNN International in France and Poland.

In many cases, HBO Max will update to Max automatically, though some users will be prompted to download the new Max app. Current HBO Max subscribers will retain their profiles and viewing history after the switch. Eurosport and Discovery+ subscribers will receive details on how to sign up for Max.

Meanwhile, WBD revealed that the second season of Game of Thrones spin-off House of the Dragon is coming to HBO and Max in the US on June 16, and the following day in Europe. The company also released a pair of "dueling" trailers for the season that show the story from the perspectives of the Green and Black Councils, respectively.