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Harvard astronomer begins new search for alien spaceships in our skies

The famous (or infamous, depending who you ask) scientist and E.T. believer, Avi Loeb, is out to capture some UAP sightings of his own.

Harvard’s most controversial astronomer is leading a new initiative, dubbed the Galileo Project, to check Earth’s skies and the rest of the solar system for signs of extraterrestrial intelligence.

Avi Loeb, the longtime astronomy professor who became well-known for his belief that interstellar object Oumuamua was likely an alien probe, announced the details of his plan via a virtual press conference Monday.

Officially, the initiative is described as «a transparent scientific project to advance a systematic experimental search for cross-validated evidence of potential astro-archaeological artifacts or active technical equipment made by putative existing or extinct extraterrestrial technological civilizations (ETCs).»

Translation: The plan is to use a variety of telescopes to look for alien spaceships, probes or other debris left behind by intelligent beings who weren’t born on Earth.

«What we see in our sky is not something that politicians or militarypersonnel should interpret because they were not trained as scientists,» Loeb told reporters. «It’s for the science community to figure out… based on non-governmental data that we will assemble as scientists.»

The first phase of the project involves setting up a network of dozens of relatively small telescopes around the globe that will attempt to capture new images of unidentified aerial phenomena (UAP, the newly favored and more inclusive acronym designed to replace «UFOs»).

A highly anticipated report released by the US Director of National Intelligence in June confirmed the existence of a number of UAP, which the military and intelligence community can offer no certain explanations for.

«The goal of the Galileo Project is to bring the search for extraterrestrial technological signatures from accidental or anecdotal observations and legends to the mainstream of transparent, validated and systematic scientific research,» reads a statement.

New eyes on the sky

To do this, the plan is to focus solely on gathering new data and observations instead of analyzing past UAP sightings like those included in the recent DNI report. The new data will then be analyzed by algorithms and artificial intelligence to attempt to separate true UAP from birds, balloons, drones, satellites and other known explanations.

Project co-founder Frank Laukien, a visiting chemical biology scholar at Harvard and CEO of scientific instrument maker Bruker, noted the Galileo Project won’t be considering any alternative physics-based explanations for new UAP observations.

«We will stick, scientifically, to known physics but will make the data available,»Laukien said.

Loeb has become a polarizing figure in the astronomy community, especially since the release of his book outlining his Oumuamua hypothesis earlier this year, with a number of scientists accusing him of jumping to radical conclusions without appropriate evidence.

«Most scientists don’t discount the possible existence of these types of civilizations (the universe is vast!),» Justin Cowart, a Ph.D. candidate studying Martian geology, tweeted Monday.»But most don’t jump on extraordinary claims without extraordinary evidence, which Loeb likes to do.»

Loeb rejects the premise «extraordinary claims require extraordinary evidence» but still hopes to collect some with his new project. Indeed, the nod to Galileo in the project name is a bit of a clap back at his critics by drawing a comparison to the famed 16th century astronomer who was imprisoned for his then-heretical suggestion the Earth revolved around the sun and not vice versa.

Looking further out, too

In addition to trying to spot UAP in the sky, the project also plans to use next-generation telescopes like the upcoming Vera C. Rubin Observatory to look for more objects in thesolar system like Oumuamua, as well as potential alien probes currentlyorbiting Earth to check us out in a low-key way. A description of the project even leaves open the possibility of designing its own purpose-built space observatory:

«We will conceptualize and design, potentially in collaboration with interested space agencies or space ventures, a launch-ready space mission to image unusual interstellar objects such as Oumuamua by intercepting their trajectories on their approach to the sun or by using ground-based survey telescopes to discover interstellar meteors.»

All this is naturally a potentially expensive proposition. Loeb told reporters he has received donations to his research fund at Harvard totaling over $1.75 million in the last two weeks with «no strings attached.»

He says the hope is to increase that funding level by at least ten-fold «to accomplish more rigorous study.»

As for when we could see new UAP images courtesy of the Galileo Project, Loeb said the team is currently selecting its telescopes and hopes to present «interesting results in the coming year.»

«It starts now,» he said.

Follow CNET’s 2021 Space Calendar to stay up to date with all the latest space news this year. You can even add it to your own Google Calendar.

Technologies

Proton VPN Promises Major Improvements For Users In Its Fall and Winter Updates

The popular VPN service says it’s adding new free server locations and a fresh VPN architecture.

Days after rolling out its early Black Friday discounts, Proton VPN released its fall and winter product roadmap, announcing the addition of five new free server locations, a new VPN architecture and a command-line Linux interface.

The new server locations — Mexico, Canada, Switzerland, Norway and Singapore — bring the total number of servers available to people on Proton VPN’s free plan to 10. Proton’s software automatically chooses the best location, but it’s possible to choose a server manually as well.


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Proton says it’s developing a new VPN architecture to develop reliable apps more quickly and with quicker deployment of new features, Stealth support for Linux and, sometime in the future, post-quantum encryption.

A feature Proton says is much requested among its customers — a command-line terminal interface for Linux — is on the horizon, as well as the ability to auto-launch the company’s Linux app on startup, 

Lastly, Proton VPN will introduce a new admin console for professional customers with what it describes as: «More granular policies and security controls.» 

In a recent CNET review, Proton VPN earned high marks for privacy, speed and open-source apps. The service’s Black Friday deal offers its VPN service for $2.49 a month, a drop from the usual price of $9.99.

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Technologies

Halloween Pac-Man Google Doodle Dares You to Go for the Ghosts

Jump online and guide Pac-Man, dressed in a variety of Halloween costumes, through eight levels of a haunted house.

My fellow 1980s children, our old pal Pac-Man is back. And how in the world is he 45 years old already? The new Halloween Google Doodle is here to challenge us with a spooky version of the classic arcade game on our computers and other devices, with some fun twists. 

Pac-Man himself shows up dressed in various Halloween costumes, and the power pellets he chows down are bloodshot eyeballs. The reanimated version of the game celebrates Pac-Man’s 45th anniversary, which cannot be true, because that would mean I am no longer 12 years old, but… uh, forget I said anything.


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When I first played Google’s Halloween 2025 doodle game, Pac-Man was dressed as a mummy, but when I played again later, he was in a frog costume and later still showed up wearing a strawberry hat. Keep refreshing — you might see additional Halloween costumes. He’s probably getting them all at Spirit Halloween.

Read more: Best Games of 2025 So Far

Back in the day, I plunked plenty of quarters into the arcade at Minnesota’s Maplewood Mall, but I never excelled at Pac-Man, much as I loved it. I’m not much better at the Google Doodle version. It is a real challenge on desktop, where you have to use the arrow keys to keep Pac-Man on the move. 

My CNET colleague Jon Skillings was relieved to find an easier way to play.

«On a phone or iPad, the Pac-Man doodle just needs you to move your finger on the touchscreen,» he said. «Much better!»

Eight levels? I didn’t even finish one!

The Pac-Man Google Doodle features eight levels, four of which are unique haunted-house mazes. I didn’t even get through one, but your mileage may vary.

«Pay close attention inside each house, as its design directly reflects the personality of the iconic ghost haunting it,» Google says on its Doodle page.

Google co-founders Larry Page and Sergey Brin started the Google Doodle trend in 1998 when they went to Burning Man. They redesigned the Google search engine logo with a simple stick-figure drawing behind the second «o» in the word Google, meaning it as an out-of-office message.

Since then, Google Doodles have become more elaborate, honoring everything from space missions to the invention of the bar code, and often including games and interactive elements. Pac-Man has wokka-wokkaed his way into the Google Doodle before, beginning in 2010 for the game’s 30th anniversary.

Arcade machines may come and go, but the ghosts of games past live on forever.

Google Doodles Through the Years: See 53 of Our Favorites

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Technologies

Should You Upgrade to Apple Watch Series 11? Here Are the Key Features You Get

The Apple Watch Series 11 has a number of new features. Here’s how the new smartwatch compares to the Series 7 through Series 10.

The holiday season could be the best time to buy an Apple Watch. With over 59% of US adult shoppers in a recent CNET survey planning to spend an average of $931 on tech devices, we can expect to see some compelling Black Friday and Cyber Monday discounts. If you’re planning to upgrade your old smartwatch, the Apple Watch Series 11 could be an excellent choice for most people.

But not everyone with an old Apple Watch needs the newest model and it can be confusing to find the best Apple Watch for your needs — especially in a year when the cheaper Apple Watch SE 3 and rugged Apple Watch Ultra 3 were also refreshed.

While the new $249 Apple Watch SE 3 receives much-needed quality-of-life features, such as faster charging and an always-on display, the $399 Series 11 remains a solid choice and offers a longer-lasting battery, improved durability and advanced health features. But is that enough to justify an upgrade from the last-gen Apple Watch Series 10? And how does it stack up against the older variants?

I compared all of these models side by side to find the finer details. Here’s how the Apple Watch Series 11 compares with the Series 10, 9, 8 and 7.


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Apple Watch Series 11 vs. Series 10

Apple upgraded the Watch Series 10 last year with a new processor, a thinner and lighter design, a bigger and brighter display, a much-needed battery boost and more. From the Digital Crown and side button positioning to their LTPO 3 screen on the front, both Series 11 and Series 10 look the same. In comparison, the Series 11 seems like a modest upgrade, but there are some noticeable differences.

Both the Series 11 and Series 10 share the same design, materials (aluminum or titanium) and 42mm or 46mm sizes. The new model is 30.3 grams (42mm) heavier than the Series 10, which weighs 30 grams. However, the new Apple Watch’s display is rated twice as scratch-resistant. 

The presence of an LTPO 3 display (on both watches) means you get a screen that can drop to a 1Hz refresh rate so the second hand moves even when the watch is inactive. The displays on both can go up to 2,000 nits for clear visibility in sunlight and dim down to just 1 nit in darkness.

Both pack the same internals: an S10 processor, a second-generation Ultra Wideband chip (for precise Find My location tracking) and 64GB of onboard storage. And yet, the latest Series 11 is rated to last up to 6 hours more on a single charge.

Apple says that the Series 11 last 24 hours on a charge, compared with 18 hours for the Series 10. Battery life can last to 38 hours in Low Power Mode (versus 36 hours on Series 10).

In her review, CNET lead writer Vanessa Hand Orellana was able to get more than the quoted number. «With notifications turned on (heavy Slack-ing and texting), at least one 30- to 45-minute outdoor workout a day, a full night of sleep tracking and some mild flashlight use, I’ve consistently managed to squeeze between 27 and 32 hours per charge,» she says. You can expect a noticeable improvement with the new smartwatch.

While both models can be charged up to 80% in about 30 minutes, the Watch Series 11 supports ultra-fast charging. It’s rated to deliver an 8-hour battery boost with just 15 minutes of charge, whereas a 5-minute charge should be enough to track 8 hours of sleep. Apple’s comparison information doesn’t list those metrics for the Series 10.

Another noticeable change is that the Series 11 supports 5G Reduced Capacity connectivity (or 5G RedCap), which allows you to connect to both 5G and LTE networks without being connected to an iPhone. In contrast, the cellular version of the Series 10 supports LTE and UMTS (3G). Both smartwatches also support Wi-Fi 4 (802.11n) at 2.5GHz and 5GHz speeds, and use Bluetooth 5.3.

With WatchOS 26, both the Series 11 and Series 10 get new health features like hypertension notifications that can alert owners if it detects signs of high blood pressure and Sleep Score, which grades sleep quality, alongside the reappearance of the Blood Oxygen app.

The bottom line: Apple Watch Series 11 is an iterative upgrade over its predecessor. If you wear a Series 10 daily and it lasts you more than a day on regular use, you should continue using it. However, if you need longer battery life, better scratch resistance and 5G connectivity, the Series 11 could be for you.

Apple Watch Series 11 vs. Series 9

We see a more significant feature jump comparing the Series 11 to older models, like the 2023 Series 9. You get a bigger screen, faster processor and plenty of new features to make it a meaningful upgrade.

Starting with the design, the Series 11 is slimmer, lighter, and twice as scratch-resistant. It measures 9.7mm thick, as compared to 10.7mm on the Series 9. You can feel this 10% difference as soon as you put the new smartwatch on, which also weighs less than the Series 9.

The Series 11 comes in 46mm and 42mm sizes (versus 45mm or 41mm on Series 9) and offers a bigger, brighter and more capable display. Thanks to slimmer bezels, you get an extra line of text on your watch and the Calculator app. Both wearables are rated for a maximum brightness of 2,000 nits, but the Series 11 sports a wide-angle OLED screen, making its display more legible at certain angles. Series 11’s LTPO 3 panel (versus LTPO on Series 9) also means the always-on display can show a ticking second hand.

The Series 11 and its newer S10 chip offer improved efficiency and a noticeable performance boost over the Series 9 S9 chip. Both smartwatches have the second-generation Ultra Wideband chip and 64GB of storage. 

The Series 9 lacks a water temperature sensor and depth gauge, which are essential for snorkeling, underwater swimming, and free diving. It doesn’t support media playback over the speaker and houses a lower-quality mic. By comparison, the Series 11 can play music over the speaker, supports voice isolation for better call clarity and comes with the Oceanic Plus app for snorkeling.

You get a major battery boost with the Apple Watch Series 11. Apple promises up to 24 hours, compared to 18 hours on the Series 9, and goes up to 38 hours in Low Power Mode (versus 36 hours).

In real-life usage, the latest variant can go up to 30 hours with ease. It also supports fast charging, delivering 80% of the charge in 30 minutes, while the Series 9 takes 45 minutes to reach the same percentage. You can quickly top up the Series 11 with a 15-minute charge for 8 hours of normal use and a 5-minute charge for 8 hours of sleep tracking.

With WatchOS 26, both models can give you a Sleep score, deliver sleep apnea notifications and support the new hypertension alerts.

The Series 11 has 5G Reduced Capacity (or 5G RedCap) for both 5G and LTE connectivity (without an iPhone). On the other hand, the Series 9 is limited to LTE and UMTS (3G) for cellular connectivity. Both have Bluetooth 5.3 and Wi-Fi 4 for wireless connectivity. However, the Series 11 supports 2.4GHz and 5GHz Wi-F 4 bands, while Apple doesn’t mention the Wi-Fi bands for its Series 9.

The bottom line: The Apple Watch Series 11’s most promising selling point is its battery life. If you’re upgrading from a Series 9, you will get an improved screen (in terms of size, legibility, and durability), 5G connectivity, the ability to play media over the speaker, voice isolation for calls, and more. However, with WatchOS 26, the Series 9 has the same hypertension alerts as the Series 11, so you don’t need to upgrade for that health feature.

Apple Watch Series 11 vs. Series 8

The Apple Watch Series 8 is closer to the Series 7 than it is to the Series 11. It comes in the same 45mm and 41mm sizes as the Series 9 but with a less capable display. 

While you can buy the Series 11 in aluminum or titanium cases, the Series 8 comes in aluminum or stainless steel cases. The new model is more durable, thanks to its scratch-resistant display. It is also thinner and lighter than the Series 8. The Series 11 looks more modern and stylish, and can be dressed up with a metal band. By contrast, the 2022 Series 8 looks dated and has thicker bezels.

The Apple Watch Series 11 has an LTPO 3 screen, compared to an LTPO display on the Series 8. The latter can only reach up to 1,000 nits in brightness, while the Series 11 hits a maximum brightness of 2,000 nits and can drop down to 1 nit. Due to its larger, wider display and improved brightness levels, the new Apple Watch is easier to view in harsh lighting conditions.

The Series 11 is powered by an S10 processor, whereas the Series 8 runs on the S8 chip. You miss out on Precise Find My Tracking (second-generation versus first-generation Ultra Wideband chip), a four-core Neural Engine, wrist flick and double-tap gestures, health data access with Siri and more. Apple’s new wearable also sports double the storage at 64GB.

The Apple Watch Series 8 doesn’t have a water temperature sensor or support for sleep apnea and hypertension notifications. Apple’s newer model has a high dynamic range gyroscope, a mic with voice isolation for calls and a depth gauge for snorkeling.

The Series 11 is rated to last up to 24 hours (38 hours in Low Power Mode) on a charge, compared to 18 hours for the Series 8. The new Apple Watch also supports faster charging, allowing it to charge up to 80% in just 30 minutes. The Series 8 takes 45 minutes to do the same. With Series 11, you can get 8 hours of normal use with a 15-minute charge and 8 hours of sleep tracking with a 5-minute charge. 

The Apple Watch Series 11 supports 5G Reduced Capacity (or 5G RedCap) for 5G and LTE connectivity without the need for an iPhone. As for the Series 8, it is limited to LTE and UMTS (3G) for cellular connectivity. Like the Series 9, Apple doesn’t mention the Wi-Fi bands for its 2022 model. Both support Bluetooth 5.3 and Wi-Fi 4 for wireless connectivity.

The bottom line: Apple Watch Series 11 is a huge upgrade over the Series 8. It delivers a longer battery life, faster charging, sleep apnea and hypertension notifications, 5G connectivity, media playback over speaker, voice isolation in calls and a whole lot more. And it does so while looking modern with its thin and light design.

Apple Watch Series 11 vs. Series 7

The Apple Watch Series 7 is four generations old and as you’d expect, the Series 11 improves over it in every aspect. The 2021 Apple Watch comes in 45mm and 41mm sizes in aluminum, stainless steel and titanium variants. In comparison, the Apple Watch Series 11 is available in 46mm and 42mm sizes, with an aluminum or titanium case. The Series 11 is thinner, lighter and more stylish than the Series 7, thanks to a more scratch-resistant screen with minimal bezels.

The Series 11 has an LTPO 3 display compared to the Series 7’s LTPO screen; the difference is instantly visible. The new Apple Watch is brighter (2,000 nits peak brightness versus 1,000 nits on the Series 7) and can be dimmed to 1 nit. It allows the always-on display to show a ticking seconds hand, which isn’t possible on Series 7.

Apple’s latest watch runs on the S10 processor, has a second-generation Ultra Wideband chip (for precise Find My location tracking) and 64GB of onboard storage. On the other hand, the Apple Watch Series 7 is powered by the S7 processor, which offers an older U1 Ultra Wideband chip, no Neural Engine and 32GB of storage. 

The Series 7 lacks crash detection and features such as wrist flick and double-tap gestures. It also doesn’t have a high dynamic range gyroscope, a mic with voice isolation, a depth gauge up to 6m or a water temperature sensor. It doesn’t support notifications for sleep apnea and hypertension.

The latest Apple Watch is rated to deliver 24 hours of battery life, which extends to 38 Hours in Low Power mode. In our tests, it lasted up to 30 hours with ease. By contrast, the Series 7 supports up to 18 hours of battery life on regular use. The Series 11 can be charged up to 80% in 30 minutes, whereas the Series 7 takes 45 minutes. The new model also gets you 8 hours of normal use with a 15-minute charge and 8 hours of sleep tracking with a 5-minute charge. 

The new Apple Watch has 5G Reduced Capacity (or 5G RedCap), allowing it to connect to both 5G and LTE networks without requiring an iPhone. In comparison, the Series 7 is limited to LTE and UMTS (3G) for cellular connectivity. Like the Series 8 and 9, Apple doesn’t mention the Wi-Fi bands for its 2021 model. The Series 11 supports Bluetooth 5.3 for faster and more reliable connections, whereas the Series 7 features Bluetooth 5.0.

The bottom line: Apple Watch Series 11 is faster, thinner, lighter and has a better-looking screen than the Series 7. It offers longer battery life, faster charging, sleep apnea and hypertension notifications, more reliable Bluetooth 5.3, media playback over speaker, voice isolation in calls, 5G connectivity and more. If you’re looking to upgrade from the 2021 Apple Watch, the Series 11 would be an excellent purchase.

Apple Watch Series 11 vs. older models

Apple Watch Series 11 Apple Watch Series 10 Apple Watch Series 9 Apple Watch Series 8 Apple Watch Series 7
Design & sizes Rectangular, 42mm, 46mm Rectangular, 42mm, 46mm Rectangular, 41mm, 45mm Rectangular, 41mm, 45mm Rectangular, 41mm, 45mm
Display 42mm: 446 x 374 pixels, LTPO3 OLED Retina display, Wide-angle OLED 46mm: 416 x 496 pixels, LTPO3 OLED Retina display, Wide-angle OLED 42mm: 1.65-inch 446 x 374-pixel LTPO3 OLED
46mm: 1.81-inch 496 x 416-pixel LTPO3 OLED
41mm: 1.61-inch, 430 x 352-pixel LTPO OLED
45mm: 1.77-inch, 484 x 396-pixel LTPO OLED
41mm: 1.61-inch, 430 x 352-pixel LTPO OLED
45mm: 1.77-inch, 484 x 396-pixel LTPO OLED
41mm: 1.61-inch, 430 x 352-pixel LTPO OLED
45mm: 1.77-inch, 484 x 396-pixel LTPO OLED
Brightness Between 1 and 2000 nits Between 1 and 2000 nits Up to 2,000 nits Up to 1,000 nits Up to 1,000 nits
Dimensions & weight 42mm: 42 x 36 x 9.7mm
46mm: 46 x 39 x 9.7mm
29.7g-43.1g depending on size, material and connectivity
42mm: 42 x 36 x 9.7mm
46mm: 46 x 39 x 9.7mm
29.3g-41.7g depending on size, material and connectivity
41mm: 41 x 35 x 10.7mm
45mm: 45 x 38 x 10.7mm
31.9g-50.5g depending on size, material and connectiviy
41mm: 41 x 35 x 10.7mm
45mm: 45 x 38 x 10.7mm
31.9g-50.5g depending on size, material and connectiviy
41mm: 41 x 35 x 10.7mm
45mm: 45 x 38 x 10.7mm
32g-51.5g depending on size, material and connectiviy
Case Material Aluminum or titanium Aluminum or titanium Aluminum or stainless steel

Aluminum or stainless steel

Aluminum or stainless steel or titanium
Durability 5ATM Water + IP6X (dust) 5ATM Water + IP6X (dust) 5ATM Water + IP6X (dust) 5ATM Water + IP6X (dust) 5ATM Water + IP6X (dust)
Battery life Up to 24 hours, up to 38 hours Low Power (always-on) + Fast charge: 80% in 30 min, 100% in 60 min Up to 18 hours, up to 36 hours Low Power (always-on) + Fast charge: 80% in 30 min, 100% in 60 min Up to 18 hours, up to 36 hours Low Power (always-on) + Fast charge: 80% in 45 minutes Up to 18 hours, up to 36 hours Low Power (always-on) + Fast charge: 80% in 45 minutes Up to 18 hours, up to 36 hours Low Power (always-on) + Fast charge: 80% in 45 minutes
Sensors ECG, 3rd-gen optical heart sensor, skin temp, depth gauge, SpO2, Noise monitoring, water temperature, compass ECG, heart rate, skin temp, depth gauge, SpO2, Noise monitoring ECG, heart rate, skin temp, SpO2, Noise monitoring ECG, heart rate, skin temp, SpO2, Noise monitoring ECG, heart rate, skin temp, SpO2, Noise monitoring
Emergency features Satellite SOS, Emergency SOS, Fall detection, Crash detection, Check in and Backtrack Emergency SOS, Fall detection, Crash detection, Check in and Backtrack Emergency SOS, Fall detection, Crash detection, Check in and Backtrack Emergency SOS, Fall detection, Crash detection, Check in and Backtrack Emergency SOS, Fall detection, Check in and Backtrack
AI & coaching Siri (voice assistant); Workout Buddy Siri (voice assistant); Workout Buddy Siri (voice assistant) Siri (voice assistant) Siri (voice assistant)
Processor S10 SiP with 64-bit dual-core processor, W3 Apple wireless chip S10 SiP with 64-bit dual-core processor, W3 Apple wireless chip S9 SiP with 64-bit dual-core processor, W3 Apple wireless chip S8 SiP with 64-bit dual-core processor, Wi-Fi, Bluetooth 5.0, W3 wireless chip, optional LTE S7 SiP with 64-bit dual-core processor, Wi-Fi, Bluetooth 5.0, W3 wireless chip, U1 chip, optional LTE

RAM/Storage 64GB (storage) 64GB (storage) 64GB (storage) 32GB (storage) 32GB (storage)
Payments Apple Pay Apple Pay Apple Pay Apple Pay Apple Pay
Price (US) $399-$750 (titanium) $399-$750 (titanium) 41mm: from $399
45mm: from $429

Started at $399 Started at $399
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