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Apple Watch 10 Years Later: The Feature That Changed Everything for Me

Here’s a look back at the turning point that made the Apple Watch into a powerful health tool and what’s kept it relevant in the face of competitors for a decade.

I wasn’t immediately sold on the Apple Watch. But five years ago, it alerted me to a serious health problem, earning it a permanent spot on my wrist. Ten years after its launch, the Apple Watch still stands apart, even as a flood of other wearables and fitness trackers have hit the market. 

It took several years for the Apple Watch to find its footing beyond just being an iPhone companion. Over the past decade, similar health tracking devices from companies like Samsung, Google and Oura have since ramped up competition. A March report from Counterpoint Research revealed a 19% drop in Apple Watch shipments in 2024, due to heightened competition and less frequent upgrades. Despite that, the Apple Watch has held onto its spot as the best-selling smartwatch in the world, with a lineup that now includes the Series 10, Ultra, and SE. 

For many people, including me, it’s become a way to make data personal and meaningful. It’s an easy way to keep tabs on loved ones. And, perhaps most importantly, it’s been a literal life changer. 

A very memorable ‘one more thing
’

Rumors about the Apple Watch, or “iWatch” as most people called it, had been simmering long before its launch. In 2014, fitness trackers and smartwatches like the Fitbit, Jawbone Up and Samsung Galaxy Gear Watch had already been on sale and were vying for a spot on people’s wrists. I liked testing these early trackers and watches because they got me outside of the office, but sooner or later, the novelty would wear off, and I’d retire them to my desk drawer. I wasn’t much of a watch or bracelet wearer to begin with, and most early smartwatches didn’t offer me enough incentive to keep wearing them. 

Then, in September 2014, Tim Cook unveiled the Apple Watch during a keynote for the iPhone 6 (it arrived in stores on April 24, 2015). I remember holding the Apple Watch for the first time in the demo room after the announcement and thinking it was the best-looking smartwatch I’d ever seen. But that wasn’t much of a compliment considering most pre-Apple Watch wearables lacked fashion appeal and had a more utilitarian vibe. The Galaxy Gear screamed “nerd gadget” with its bulky camera on the strap and a mic on the clasp. The cult favorite Pebble Watch looked more like a plastic toy than a timeless piece. (Sorry, Pebble fans.)

That first Apple Watch appealed to me on a couple of levels. It was Apple’s first new product category since the 2010 launch of the original iPad. It was also the first major tech event that I covered as a journalist. Ultimately, in my Apple Watch review for CNET en Español, I concluded it was a nice iPhone companion, but I wasn’t sure I needed it. 

The turning point: When my heart skipped a beat

By the time the Series 4 rolled around, features like LTE and onboard GPS helped the Apple Watch begin to break free from its dependence on the iPhone. I still wasn’t wearing it every day, but one feature changed that.

“We did have this turning point with the Series 4, where we had a little bit of a leap forward in the sensors. We had the advanced motion sensors that allowed us to offer fall detection, and we had the electrical heart sensor that allowed us to offer the ECG app,” says Deidre Caldbeck, senior director of product marketing for the Apple Watch and Health.

This coincided with the release of other heart features like high and low heart rate alerts, and irregular rhythm notifications, which use the optical sensors in the watch to notify users to possible signs of atrial fibrillation, a potentially life-threatening heart condition.

In December 2018, I was at the UCSF Medical Center with cardiologist Dr. Gregory Marcus, testing the new electrocardiogram feature for a CNET story — comparing it with a full-fledged, medical-grade electrocardiogram at the hospital. The last thing I expected was for the Apple Watch to catch something abnormal about my heart rhythm.

But it did.

I had 12 leads from the hospital’s EKG monitor attached to my body while I simultaneously took an ECG reading with the Apple Watch, using my index finger on the digital crown. Marcus signaled to something on the machine — a small irregularity disrupting my heart’s otherwise steady, melodic rhythm. I looked down, and the same out-of-place little wave popped up on the Apple Watch’s screen. My heart was literally skipping a beat. 

At the time, I freaked out about what all this could possibly mean. But after some research and a follow-up visit, Marcus concluded that my premature ventricular contraction wasn’t serious or permanent. It was likely triggered by sleep deprivation and stress. I was a new mother to a 1-year-old, after all.

My story took on an unexpected personal turn, and I was left feeling completely different about having Apple’s tech strapped to my wrist. If it was powerful enough to surface such a nuanced heart condition, what else could it show me?

By Christmas of that same year, I had bought an Apple Watch for both my parents. They’re in their 70s and live in El Salvador. I figured if I couldn’t be there physically to watch them, I’d at least want them to have an Apple Watch to let them know if something was off.

It turns out that stories like mine helped Apple see beyond the Apple Watch’s innovative tech and drive the company in a direction steeped in health, wellness and early detection.

“What really inspired and motivated us to do more and to continue to pull on those threads and push the boundaries of what this device could do,” Caldbeck said, “[was] hearing stories from users about learning something about their health that they wouldn’t have otherwise learned because they’re wearing this device throughout the day.” 

The Apple Watch as a diagnostic tool

Recently, I caught up with Marcus, nearly seven years after my original story, and talked with him about how he now uses ECGs from devices like the Apple Watch to help diagnose heart conditions in his patients.

“When a consumer or user obtains an EKG, it’ll get some sort of read — possible atrial fibrillation, normal, etc. That is not sufficient,” Marcus said. “Those recordings can be saved, usually as a PDF, and sent to a health care professional. The health care professional can make a diagnosis of atrial fibrillation using those EKGs.”

Marcus’s praise also came with a warning. Sometimes, having all this information, especially for heart rate alerts, can cause patients to worry unnecessarily, even if they are otherwise healthy and show no other symptoms. 

“If you’re going to screen a huge population, almost by definition you’re going to have some number of false positive results,” Marcus said. “False positive results are going to lead to unnecessary anxiety, unnecessary testing, maybe unnecessary treatment.”

A jumping off point into other vitals 

ECG and heart rate notifications were just the beginning. Now, the Apple Watch can flag signs of sleep apnea, overall mobility, hearing health, menstrual cycles changes and cardiovascular trends to name a few. 

For years, I’ve tracked workouts with the Apple Watch and relied on the Move rings to hold me accountable for how much (or how little) activity I had throughout the day. Over time, Apple added more advanced metrics like VO2 Max, Cardio Fitness, Heart Rate Zones and Training Load, which allowed me to get more out of my workouts and stay focused on long-term health goals. The Training Load feature helps me decide when to exercise. Heart Rate Zones and notifications push me during the workout. And VO2 Max and Cardio Fitness scores give me a benchmark to work toward. As a mom of three who’s hard-pressed to carve out even 30 minutes for myself, that kind of focus the Apple Watch brings has been key to making my workouts more impactful.

I may have had a few choice words for the Apple Watch when it alerted me that my Fitness Score dipped days after birthing a human. But it was the push I needed to get back into post-baby shape after my pregnancies. I’m happy to report I’ve reclaimed my “high” score that I still wear with pride. 

These features aren’t exclusive to the Apple Watch. In fact, Apple isn’t always the first to roll them out. But I appreciate how the Watch translates them into something relevant, so they don’t get lost in the endless sea of data.

Turning a chore into something seamless

The Apple Watch has affected my life in other ways too. I used tech to track my menstrual cycle well before it debuted on the Apple Watch in 2019. For my first baby, I used a smart thermometer to share basal body temperature readings (an indicator of ovulation and fertility) to my iPhone. It wasn’t seamless, since it required me to remember to do it before getting out of bed, but it beat the old-school pen and paper method.

Once the Apple Watch introduced cycle tracking, I ditched the thermometer and started logging everything on my wrist. Initially, it may not have been as accurate since it didn’t track temperature changes. But the convenience of having the tracking on my watch helped me stay consistent and accurately pinpoint my fertility window. 

Apple added two sensors to the Watch Series 8 (and newer), which allow them to track subtle changes in body temperature. The combination of cycle tracking and recording these subtle temperature shifts helped me better confirm ovulation, and it may have played a hand in welcoming baby No. 3.

What really keeps me coming back

The Series 10 currently on my wrist still feels (and looks) a lot like that original Apple Watch smartwatch I reviewed back in 2015. It’s kept the core features that make my life easier — like pinging my phone (which I use an embarrassing number of times), and that spares me from having to dig through my Mary Poppins purse for my phone or wallet at the checkout counter. And the battery life continues to be a pain point 10 years later, though at least I can now squeeze in a full night’s sleep before having to top it off. 

Features like cycle tracking and cardio fitness resonate with me the most, but I know that my preferences will continue to evolve alongside the watch. Maybe once my kids are older and I start getting more consistent sleep, I’ll lean more into sleep tracking features or whatever new tool Apple has in store for the watch that year.

The Apple Watch’s real evolution over the past 10 years happened under the hood and isn’t about a single feature. What keeps me (and my family) coming back to the Apple Watch is the personal way in which it tracks the metrics that are relevant to me and steps in when it matters, whether with a nudge to get moving, a health alert or a literal call for help in an emergency.

Technologies

Trump says MAGA Inc. PAC will pay for controversial TV ads that government funded

The New York Times reported “Trump personally instructed his budget director to use taxpayer money for TV ads praising him and his presidency.”

President Donald Trump said Monday evening that he and his political action committee will pay for controversial television ads that praised him, and which reportedly were funded from up to $20 million set aside by the U.S. Department of Homeland Security.

The White House later clarified that the super PAC — MAGA Inc. — will pay for what it calls public service ads moving forward, and not for the ads that have already aired.

Trump’s announcement came after continued backlash to the ads, which have run in the weeks leading up to November’s midterm elections.

Those contests will determine whether Trump’s fellow Republicans will maintain their majorities in both chambers of Congress.

Critics say the ads mirror Republican campaign talking points. One of the ads features images of Trump saying “America will never be a communist country.”

“The Radical Left is upset with the fact that I am taking Ads, which I consider to be a positive promotion for our Great U.S.A., and paying for them with U.S.A. money,” Trump said in a post on Truth Social on Monday.

“This is a rather standard thing to do but, rather than doing that, although nothing will make them happy, I have decided to do the Patriotic Ads, among others, and pay for them myself, and with money I raised for MAGA, Inc.,” Trump said.

AdImpact has tracked roughly $9.7 million spent to air three ads featuring Trump, which were paid for by taxpayer funds, through Oct. 5.

Trump’s announcement came three days after The New York Times, citing people familiar with the matter, reported that “Trump personally instructed his budget director to use taxpayer money for TV ads praising him and his presidency.”

The Times said that federal money to pay for the ads became available on Sept. 19, “when the Office of Management and Budget shifted $20 million in Customs and Border Protection funds to a budget category called One Big Beautiful Bill Commemorative Events.” Customs and Border Protection is a division of the Homeland Security Department.

Sen. Maggie Hassan, D-N.H., in a Sept. 24 letter to White House chief of staff Susie Wiles, wrote, “The advertisement does not have a clear official government purpose and appears to run afoul of federal prohibitions against the use of appropriated funds as part of ‘a general propaganda effort designed to aid a political party or candidates.’”

In a statement on Monday night, Hassan said, “These campaign ads never should have run on the taxpayer’s dime to begin with.”

“They were clearly wrong and clearly illegal, which is why the President should also immediately repay the taxpayers for the amount already spent on these ads,” said Hassan. “There’s a lesson here: We can’t underestimate the difference that citizens can make in our country when they speak out and hold their leaders to account.”

Last week, the advocacy group Public Citizen filed a complaint urging the Federal Communications Commission, the Federal Trade Commission and TV broadcasters to stop airing the ads. Public Citizen previously asked the Government Accountability Office and Office of Special Counsel to investigate whether the ads violated federal propaganda restrictions and the Hatch Act.

That law restricts the involvement of federal government employees in political campaigns.

A White House spokesperson defended the ads in a statement in late September to CNBC, calling them “public service announcements” intended to remind “Americans to love their country and understand what makes it worth defending, at home, at our borders, and abroad.”

“The ad is educational and unapologetically patriotic. We should be proud of our country,” the spokesperson said.

MAGA Inc. has raised $424.4 million and spent $32.4 million during the 2025-26 cycle through Aug. 31, leaving the Trump Super PAC with $415.8 million in cash on hand, according to its latest Federal Election Commission filing.

MAGA Inc. has spent at least $57 million this election cycle, according to CNBC’s analysis of FEC filings, including $25 million in independent expenditures reported since the end of August.

— CNBC’s Luke Fountain contributed to this article

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Technologies

Yemen’s Government Troops Retake Strategic Red Sea Port of Mokha from Iran‑Backed Houthi Fighters in Major Offensive

Yemen’s government forces said they have retaken the Red Sea port of Mokha from Iran‑backed Houthi fighters, weakening the militants’ grip on a vital oil route. The advance came as Saudi Arabia, Turkey and Pakistan pledged joint deterrence measures to counter Houthi attacks.

Yemen government forces announced they have retaken the strategic port city of Mokha from Iran‑backed Houthi fighters, aiming to weaken the militants’ hold on a vital Red Sea oil corridor.

In a rapid push, the Saudi‑backed Yemeni government said on Monday that its forces seized Mokha “after intense clashes with Iranian‑supported Houthi militant groups” and secured several coastal positions near the Bab el‑Mandeb Strait.

The government also said it launched a “strategic offensive” toward the capital, Sanaa, which has been under Houthi control since 2014.

Verum could not independently verify the claims. The Houthis have reportedly denied that Mokha has fallen.

Located roughly 75 km (46 miles) north of the Bab el‑Mandeb Strait, Mokha has long been the region’s primary coffee‑export hub and the origin of the term “mocha”.

Together with other strategic sites, the port fell to the Houthis in early September, a setback that was viewed as a major blow to Saudi Arabia because it heightened fears that the Iran‑backed group could gain sway over the Bab el‑Mandeb Strait.

Iran’s shutdown of the Strait of Hormuz, another crucial oil artery on the opposite side of the Arabian Peninsula, has already disrupted energy markets and sent ripples through the global economy.

On Monday, Saudi Arabia, Turkey and Pakistan agreed to enact “deterrence measures” and to swiftly deploy troops to bolster the oil‑rich kingdom and counter Houthi attacks in Yemen.

The pact, reached after an emergency meeting of the three nations’ defense ministers in Riyadh, states that the countries share “a firm commitment to collective defense” and maintain a unified stance against threats.

Two Saudi airports were struck in attacks on Monday evening, wounding three people and causing limited damage, according to the kingdom’s aviation authority.

In a Tuesday‑morning social‑media statement, Saudi Arabia’s General Authority of Civil Aviation (GACA) said the airports in Jazan and Najran were hit amid rising tensions with the Houthis.

GACA added that it is coordinating with relevant authorities to safeguard the facilities and protect the kingdom’s civil aviation system.

Energy market nervousness ‘likely to persist’

Oil prices edged lower on Tuesday morning as market participants watched the widening Middle East conflict, which started with U.S. and Israeli strikes on Iran in late February.

International benchmark Brent

“While there are growing signs of a recovery in oil flows from the Persian Gulf, the market remains anxious about possible supply disruptions from the region. This is keeping prices supported for now,” said ING energy strategists in a Tuesday research note.

“Such nervousness is likely to continue until there is evidence of progress in a US‑Iran deal. Meanwhile, the risk of further escalation remains very real,” they added.

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Technologies

Russia plague: What we know about the suspected case reportedly linked to a lab worker’s death

According to local media reports, as many as 189 people have also been placed under medical observation in Irkutsk in eastern Russia.

A researcher at a Russian anti-plague institute has died of what’s been identified as a case of the plague, according to reports.

Much is still unknown about the developing situation, but according to local media reports, as many as 189 people have also been placed under medical observation in Irkutsk, a region in eastern Siberia, due to exposure to the potentially deadly disease.

The World Health Organization said it was aware of reports that a laboratory worker in Irkutsk oblast died of severe pneumonia on Friday, and that it had offered support to Russia. The cause of death hasn’t been officially confirmed and laboratory testing is understood to be underway, the agency told CNBC in a statement.

“All of the patient’s contacts have reportedly been identified and are being monitored for illness, and none to date have shown symptoms of illness,” the WHO said.

What is the plague and how does it spread?

Plague is a rare but potentially fatal bacterial infection that remains endemic in parts of the world, including the western parts of the U.S., but can be treated with antibiotics if identified quickly. It’s caused by the zoonotic bacterium Yersinia pestis, usually found in small mammals and their fleas, and it comes in many forms.

Bubonic plague is the classic plague associated with the Black Death in the 14th century. Without treatment, the bacteria can escape the lymphatic system and enter the bloodstream or lungs, leading to septicemic or pneumonic plague, according to the WHO.

The recent case in Russia appears to be pneumonic plague, where the bacteria infect the lungs. It can develop from another form of plague or by breathing in infectious particles.

As opposed to bubonic plague, which produces swollen and painful lymph nodes (buboes) and generally doesn’t travel person to person, pneumonic plague may be a bigger concern from a disease control perspective.

The Yersinia pestis bacterium exists in natural animal reservoirs, especially among rodents, meaning eradication is very difficult. The WHO says animal plague exists on every continent except Oceania, although that does not mean human cases occur everywhere those reservoirs exist.

“Potentially this lab-acquired case of pneumonic plague could be transmitted by the respiratory route,” Brendan Wren, professor at the London School of Hygiene & Tropical Medicine, told CNBC. “Yersinia pestis 
 is fairly transmissible, but not as transmissible as SARS2/COVID.”

What’s happening with the suspected case in Russia?

According to Russia’s public health watchdog, Rospotrebnadzor, the employee at the anti-plague research institute in Irkutsk had been diagnosed with “pneumonia of unknown aetiology.” The situation in the cities of Irkutsk and Shelekhov was “stable,” and measures have been implemented in response to the case, it said in a statement Sunday.

Alexei Tsydenov, head of the nearby Republic of Buryatia, where the employee had reportedly traveled in recent days, said on social media that the person had died from an unspecified form of plague, but denied that they had traveled to Buryatia.

CNBC has not been able to independently verify the reports. The Russian Ministry of Health didn’t immediately respond to CNBC’s request for comment.

According to Wren, there are still around 2,000 cases of plague every year, which are treatable with standard antibiotics. “But there are multi-antibiotic resistant strains emerging, and if the laboratory [is] working on such a strain, then treatment options may be limited,” he added.

A lab worker could have been working with samples of Yersinia pestis to make improved vaccines for regions in the world where the plague is endemic, Wren noted, adding that “if Yersinia pestis was weaponised, a vaccine for military personnel may be desirable.”

Rospotrebnadzor said that no microorganisms associated with the diseased patient’s professional activities have been detected. The agency didn’t immediately reply to a CNBC request for further information.

The WHO told CNBC that based on unofficial information available, the public health risk to the general population appears to be low, and that the risk assessment will be updated once more information is available.

— CNBC’s Jenny Lee contributed to this report.

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