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Why a traditional calculator may give you a completely different answer than a cellphone

Does 50+50x2 = 150 or 200? It depends who you ask.

cellphone calculator; smartphone calculator; order of operations; calculators not equal
Photos by Karolina Grabowska and Kanchanachitkhamma via Canva

Traditional calculator and smartphone calculator give different answers

Some people see math and automatically turn off their brains while others can't wait to figure out the problem presented. Math can be anxiety producing for some people but this random discovery of two calculators coming up with different answers to the same problem have people intrigued.

Spellbinding Odyssey shared a short video on X showing someone using a regular Casio calculator you can pick up at any store and the calculator that comes standard on a cellphone. The person in the video enters a simple equation on the cellphone calculator, 50+50x2. Instantaneously, the cellphone calculator displays the answer as 150. It doesn't take a mathematician to second guess that answer though many people might immediately second guess their own assumption that the answer given is incorrect.

On the traditional calculator, the same exact simple equation is entered in the same order, 50+50x2. But there's something weird that happens. The traditional calculator comes up with a completely different answer than the other calculator. This time the answer to the equation is 200, but how?

People in the comments of the post were quick to point out what was happening because math doesn't make everyone cry. There are quite a few people that enjoy the challenge and were able to explain why the phone was coming up 50 short of the expected. It turns out to be something really simple. Remember in late elementary school when math teachers excitedly taught the order of operations? That's what's a play here.

If you're one of the people that immediately walks away at the sight of math equations so your memory is a little fuzzy on that rule. Many people learned the acronym, "Please Excuse My Dear Aunt Sally," where the beginning of each letter stands for the order in which you complete a simple mathematic equation. Parenthesis, exponent, multiplication, division, addition and subtraction.

In the case of the two calculators, one is using the order of operations and the other is not, commenters point out.

"The iPhone Calculator is applying the order of operations (PEMDAS/BODMAS), which means it calculates multiplication and division before addition and subtraction. So, the operation it performs is "50 + (50 × 2)", resulting in 150. The Casio should too but some models and modes affect how it calculates. To avoid this issue, use parentheses," someone writes.

"The phone followed order of operations while the calculator made its calculations one at a time," another person points out.

Other people were a bit peeved that the cellphone calculator would be programmed to automatically assume a person was inputting equations in everyday life.

"A calculator's job is not to solve equations unless its a graphing calculator. A person trained to use a calculator will unknowingly receive the wrong answer when entering the equation "properly," a commenter protests.

"No telling how many ledgers, documents, etc are wrong," someone says.

"The iPhone seems to be less efficient than the old calculator. You have to press the = button after adding 50 + 50. If you don’t, the iPhone will assume like 50 + (50 x 2)," another writes.

You learn something new every day. If you're doing simple multistep math on your phone be sure you're pressing the equal sign after each step or you could wind up severely miscalculating unwittingly.

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Joy

5 small things that made us smile this week

Your weekly cheat sheet to the best of the Internet

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Life can be bleak, so we’re going to be celebrating the small joys while we can—whether that’s a sweet snack that boosts your mood (courtesy of our friends at All In), or a dad joke so epic you'll hurt your eyes from rolling them so hard. These momentary mood boosters are everywhere you look—you just have to be able to find them underneath all the noise. And that’s where we come in.

Consider this weekly web series your cheat sheet to the best of the Internet—not just random memes to make you laugh, but examples of people truly finding something extraordinary in the mundane. Each Friday we'll be delivering five pieces of media that allow you to stop for a second, take a breath, and feel just a little bit brighter among the daily stress—and this week, in honor of Father's Day, it's dad-themed.

Ready to smile? Here we go.

1.The "soulmated so hard" trend

@breezeb3a

I’ll never recover from losing you 💓

♬ The Winner Is... Version - DeVotchKa

This is a TikTok trend that’s both wholesome and, at times, actually jaw-dropping. The premise is this: Pets can be our soulmates, and sometimes we “soulmate” so hard that our pets leave a lifelong impression on us. This trend has people showing how big of an impression their pets have made on them, even after they’ve crossed the rainbow bridge. In one video, user Brianna Kay shares an ultrasound of her baby with what looks like the outline of her dog kissing the baby on the forehead. In another video, an owner asks her soulmate cat to send her a sign from beyond the grave that she is at peace. The response (here) will shock you.

2. Dudes getting flowers

Why is it that men (traditionally speaking) are the ones who give flowers, and not usually the ones who get them? We don’t have a good answer for that, but it’s clearly time to flip the script. This week, our friends from All In are hitting the streets of New York and delivering bouquets to men, and they are absolutely loving it. Let’s make this a regular thing.

3. A new grandpa gets good news  

@ellelauricella In my feels today remembering my dad’s reaction to meeting my baby ❤️ We named his middle name after my father and kept it a surprise my whole pregnancy. This was one of the happiest moments of my whole life. #postpartum #dad #dadsoftiktok #dadanddaughter #grandson #firstgrandbaby #birthvlog #hospitalbirth #momsoftiktok #fyp #firsttimemom ♬ Stuff We Did (from 'Up') - Piano Version - your movie soundtrack

Just in time for Father's Day! There’s almost no better way to honor your dad than naming a new baby after him, which is exactly what happens in this video. It’s almost impossible not to cry (happy tears!) seeing this new grandpa learn the good news from his daughter, who’s already weepy from postpartum hormones. (We’re not crying, you’re crying.)

4. Dad's loving dogs

@aubree.avery I had to make a PowerPoint to convice my parents to let me get her & now she is four years old and my parents beg me everyday to let them keep her. #dogmom #doodle #doodlesoftiktok #dogs ♬ Kiss me Sixpence None The Richer - whitelinesprettybabyy

Speaking of adorable dads: It seems like there’s this universal experience where when someone brings a pet into a household, the dad of the household will refuse to bond with it (at least at first). TikTok has latched on to this truth and is now flipping the script, showcasing dads who initially refused to accept the family pet and are now treating it like their precious firstborn. Search “dads and the dog they didn’t want” on TikTok and you’ll find some hilarious examples (like this dad, testing every couch inside a furniture store to make sure he’s able to adequately rub the dog’s belly from his seat on the sofa).

5. A dog who just cannot handle a prank 

@haleyandthepets spoiler bro got mad instantly #foryou #foryoupage #dogs #fyp #dunkindadawg #viral ♬ snoopy von - joro.mixes

We can never share enough dog content, right? (That was a rhetorical question, because the answer is of course not.) Dogs are adorable. They’re hilarious. And they have some very strong feelings. In this video, one easygoing dog gets his “nose stolen” as a prank, and every time he finds out, he shows his owner that he is absolutely not having it. Give that baby her nose back!

For even more “extra”-ordinary moments, come find us on social media (@upworthy) or on upworthy.com!

For scrumptious snacks that add an extra boost of joy to your day, be sure to check out All In.

Movies

The real-life love story of Maria and Georg Von Trapp we didn't see in 'The Sound of Music'

"I really and truly was not in love."

Photo credit: Public domain

Maria Von Trapp was not in love with Georg when they got married, but that changed.

The Sound of Music has been beloved for generations, partially for the music (and Julie Andrews' angelic voice), partially for the historical storyline, and partially for the love story between Maria and Georg Von Trapp. The idea of a nun-in-training softening the heart of a curmudgeonly widower, falling in love with him, and ultimately becoming a big, happy family is just an irresistible love story.

But it turns out the real love story behind their union is even more fascinating.

maria von trapp, georg von trapp, the sound of music, love story, historyMaria Von Trapp (left) was played by Julie Andrews and her husband Georg was played by Christopher Plummer in "The Sound of Music."Photo credit: Public domain

The National Archives has collected information about what's fact and what's fiction in The Sound of Music, which is based on a real family in Austria named Von Trapp. The film was generally based on the first section of Maria Von Trapp's 1949 autobiography, The Story of the Trapp Family Singers, with some of the details being true and others fictionalized for a movie audience.

For instance, Maria was actually hired on as a tutor for just one of Georg's children, not as a governess for all of them. The children, whose names, ages and sexes were changed, were already musically inclined before Maria arrived. Georg was not the cold, grumpy dad he was portrayed as in the beginning of the film, but rather a warm and involved parent who enjoyed making music with his kids. Maria and Georg were married 11 years before leaving Austria, not right before the Nazi takeover. The Von Trapps left by train, not in a secret excursion over the mountains.

But perhaps the most intriguing detail? Maria was not in love with Georg at all when they got married.

gif, the sound of music, von trapp family, movie, true eventsSound Of Music Flag GIF by The Rodgers & Hammerstein OrganizationGiphy

It doesn't initially make for a great Hollywood romance, but the Von Trapp love story began with marriage for other reasons and evolved into a genuine love story. Maria wrote that she fell in love with Georg's children at first sight, but she wasn't sure about leaving her religious calling when Georg asked her to marry him. The nuns urged her to do God's will and marry him, but for Maria it was all about the children, not him. When Georg proposed, he asked her to stay with him and become a second mother to his children. "God must have made him word it that way," Maria wrote, "because if he had only asked me to marry him I might not have said yes."

"I really and truly was not in love," she wrote. "I liked him but didn't love him. However, I loved the children, so in a way I really married the children."

However, she shared that her feelings for Georg changed over time. "…[B]y and by I learned to love him more than I have ever loved before or after."

- YouTubewww.youtube.com

The idea of marrying someone you don't love is antithetical to every romantic notion our society celebrates, yet the evolution of Maria's love for Georg has been a common occurrence across many cultures throughout history. Romantic love was not always the primary impetus for marriage. It was more often an economic proposition and communal arrangement that united families and peoples, formed the basis of alliances, and enabled individuals to rise through social ranks. Some cultures still practice arranged marriage, which limited research has found has outcomes identical to love-first marriage in reports of passionate love, companionate love, satisfaction, and commitment. The idea of marrying someone you don't already love is anathema to modern Western sensibilities, but the reality is that people have married over the centuries for many reasons, only one of which is falling in love.

Maria's marriage to Georg actually was about falling in love, but not with him. She loved his children and wanted to be with them. It definitely helped that she liked the guy, but she wasn't swept off her feet by him, there were no moonlit confessions of love a la "Something Good," and their happily ever after love story didn't come until much later.

- YouTubewww.youtube.com

Ultimately, Maria and Georg's love story was one for the ages, just not one that fits the Hollywood film trope. And it's a compelling reminder that our unwritten rules and social norms determining what love and marriage should look like aren't set in stone. Do marriages for reasons other than love always evolve into genuine love? No. Do marriages based on falling in love first always last? Also no. Should a marriage that starts with "like" and develops into to a genuine, deep love over years be considered "true love" in the way we usually think of it? Who can say? Lots to ponder over in this love story.

But Maria's description of learning "to love him more than I have ever loved before or after" is a pretty high bar, so clearly it worked for them. The Von Trapps were married for 20 years and had three more children together before Georg died of lung cancer in 1947. Maria would live another four decades and never remarried. She died in 1987 at age 82 and is buried next to Georg on the family's property in Vermont.

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Learning

The one sign that someone is highly intelligent, according to literary genius Leo Tolstoy

He was a master of understanding the human condition.

en.m.wikipedia.org

Russian novelist Leo Tolstoy.

Leo Tolstoy was a Russian novelist known for epic works such as War and Peace and Anna Karenina. His life experiences—from witnessing war to spiritual quests—profoundly influenced his writings and gave him profound insights into the human soul. His understanding of emotions, motivations and moral dilemmas has made his work stand the test of time, and it still resonates with people today.

Julian de Medeiros, a TikToker who shares his thoughts on philosophy, recently shared how Tolstoy knew if someone was highly intelligent—and his observation says something extraordinary about humanity.

intelligence, thinking, thought process, humanity, humansAn intelligent man's thought process.Canva Photos

“The more intelligent a person is, the more he discovers kindness in others,” Tolstoy once wrote. “For nothing enriches the world more than kindness. It makes mysterious things clear, difficult things easy, and dull things cheerful.”

@julianphilosophy

Intelligent people are kind #intelligent #intelligence #kindness #smart #tolstoy #men #women


De Medeiros boiled down Tolstoy’s thoughts into a simple statement: “Intelligent people are unafraid to be kind.” He then took things a step further by noting that Tolstoy believed in the power of emotional intelligence. "To have emotional intelligence is to see the good in other people, that is what Tolstoy meant, that to be intelligent is to be kind," he added.

It seems that, according to de Medeiros, Tolstoy understood that intelligent people are kind and perceptive of the kindness in others. The intelligent person is conscious of the kindness within themselves and in the world around them.

In a 2024 opinion piece for Inc., author and speaker Jeff Hayden cites organizational psychologist Adam Grant, who says, "Generosity isn't just a sign of virtue. It's also a mark of intelligence. Data: people with high IQs have more unselfish values, give more to charity, and negotiate better deals for others. They prioritize the long-term collective good over short-term self-interest. It's smarter to be a giver than a taker."

Hayden adds on to this statement, saying, "...You can also be smart enough to be generous, thoughtful, and kind. You can be smart enough to build people up instead of tearing them down. You can be smart enough to give before you receive (or better yet, with no expectation of reciprocation.) You can be smart enough to shift the credit from yourself to others."

kindness, intelligence, humanity, human condition, be kindKids showing kindness through sharing. Canva Photos

In other words, these findings certainly line up with what Tolstoy's take on the correlation between kindness and intelligence.

Through Tolstoy's musings, de Medeiros (and Hayden and Grant) makes a point that is often overlooked when people talk about intelligence: truly smart people are as in touch with their hearts as they are with their minds.

This article originally appeared two years ago. It has been updated.

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Pop Culture

Brit shares the one-word 'dead giveaway' that American actors can't do an English accent

“There is one word that is a dead giveaway that an English character in a movie or a TV show is being played by an American."

via Warner Bros Discovery

Peter Dinklage on "Game of Thrones"?

When it comes to actors doing accents across the pond, some Americans are known for their great British accents, such as Natalie Portman ("The Other Boleyn Girl"), Robert Downey, Jr. ("Sherlock Holmes"), and Meryl Streep ("The Iron Lady"). Some have taken a lot of heat for their cartoonish or just plain weird-sounding British accents, Dick Van Dyke ("Mary Poppins"), Kevin Costner ("Robin Hood: Prince of Thieves") and Keanu Reeves ("Bram Stoker's Dracula").

Some actors, such as Tom Hardy (“The Drop”) and Hugh Laurie (“House”), have American accents so good that people have no idea they are British. Benedict Townsend, a London-based comedian and host of the “Scroll Deep” podcast, says there is one word that American actors playing characters with a British accent never get right. And no, it’s not the word “Schedule,” which British people pronounce the entire first 3 letters, and Americans boil down to 2. And it’s not “aluminum,” which British and American people seem to pronounce every stinking letter differently.


@benedicttown The one word American actors aways get wrong when doing an English accent
♬ original sound - Benedict Townsend

What word do American actors always get wrong when they do British accents?

“There is one word that is a dead giveaway that an English character in a movie or a TV show is being played by an American. One word that always trips them up. And once you notice it, you can't stop noticing it,” Townsend says. “You would see this lot in ‘Game of Thrones’ and the word that would always trip them up was ‘daughter.’”

Townsend adds that when British people say “daughter,” they pronounce it like the word “door” or “door-tah.” Meanwhile, Americans, even when they are putting on a British accent, say it like “dah-ter.”

“So top tip if you are an actor trying to do an English accent, daughter like a door. Like you're opening a door,” Townsend says.


What word do British actors always get wrong when doing American accents?

Some American commenters returned the favor by sharing the word that British actors never get right when using American accents: “Anything.”

"I can always tell a Brit playing an American by the word anything. An American would say en-ee-thing. Brits say it ena-thing,” Dreaming_of_Gaea wrote. "The dead giveaway for English people playing Americans: ‘Anything.’ Brits always say ‘EH-nuh-thin,’” marliemagill added. "I can always tell an actor is English playing an American when they say ‘anything.’ English people always say it like ‘enny-thin,’” mkmason wrote.


What is the cot-caught merger?

One commenter noted that the problem goes back to the cot-caught merger, when Americans in the western US and Canadians began to merge different sounds into one. People on the East Coast and in Britain pronounce them as different sounds.

“Depending on where you live, you might be thinking one of two things right now: Of course, ‘cot’ and ‘caught’ sound exactly the same! or "There’s no way that ‘cot’ and ‘caught’ sound the same!” Laura McGrath writes at DoYouReadMe. “As a result, although the different spellings remain, the vowel sounds in the words cot/caught, nod/gnawed, stock/stalk are identical for some English speakers and not for others.” For example, a person from New Jersey would pronounce cot and catch it as "caht" and "cawt," while someone from Los Angeles may pronounce them as "caht" and "caht."

To get a better idea of the big difference in how "caught" and "cot" are pronounced in the U.S., you can take a look at the educational video below, produced for a college course on linguistics.


- YouTubeyoutu.be

American actors owe Townsend a debt of gratitude for pointing out the one thing that even the best can’t seem to get right. For some actors, it could mean the difference between a great performance and one that has people scratching their heads. He should also give the commenters a tip of the cap for sharing the big word that British people have trouble with when doing an American accent. Now, if we could just get through to Ewan McGregor and tell him that even though he is fantastic in so many films, his American accent still needs a lot of work.

This article originally appeared last year.

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Music

Freddie Mercury soundalike gets 10,000 people to spontaneously sing Queen's 'Love of My Life'

Marc Martel captures Freddie's unique voice almost perfectly.

Marc Martel/YouTube

Marc Martel sings with the audience in Santiago, Chile, in May of 2022.

Freddie Mercury was known for many things—his dramatic showmanship, his larger-than-life personality, and his untimely death during the peak of the AIDS epidemic—but he is most remembered for his clear, powerful voice, ranging from rich bass notes to impressive soprano coloratura.

It's hard to do Freddie's voice justice, but Marc Martel has managed to wow millions with his impersonations of the Queen lead singer. If you close your eyes and listen, there are seconds when you might swear you were hearing Freddie himself singing again.

freddie mercury, queenFreddie Mercury knew how to work an audience.Giphy

Martel's cover of "Bohemian Rhapsody" has been viewed 56 million times on YouTube. And another of his videos showcases Martel's ability to captivate an audience with his—or Freddie's—voice.

At a concert in Santiago, Chile, in 2022, Martel began playing the piano intro to "Love of My Life," one of Queen's simplest and most sentimental ballads. As soon as he opened his mouth to sing, the audience did the same—10,000 people all singing along in unison—and it's just beautiful.

Watch:

- YouTubeyoutu.be

Queen fans not only loved the sing-a-long but they were also blown away by how close Martel came to channeling Freddie Mercury with his vocals:

"I'm 63. Heard Queen from the start. This man is unbelievable. Why Queen didn't grab him is unbelievable, beyond belief."

"For those of us who love the Mercury timbre, Martel is a blessing."

"The part "you've hurt me" sounds exactly like Freddie. I also love the fact that people are singing too, it gives me Queen concerts vibes :)"

"When the crowd started singing, it genuinely gave me goosebumps. It was like he was singing with a choir. Some great voices in the audience! Well mixed too. Incredible as always!"

"Never mind the vocal inflections, he plays piano outstandingly. Freddie’s voice was so unique and original, it’s unbelievable how close Marc is."

And if you want to see Martel's "Bohemian Rhapsody" video with 56 million views, here it is. Enjoy:

- YouTubeyoutu.be

Amazingly enough, Martel never took singing lessons, instead learning from imitating his favorite vocalists. He also didn't grow up listening to Queen—he came to appreciate their music later in life.

Martel told Altwire in 2023 how he feels about constantly being compared to the late, great icon, Freddie Mercury:

"It’s obviously an honor, and I’ve been getting that comparison for a while, over 12 years now, on a regular basis, no matter what music I’m singing. Even when I try not to sound like Freddie, people will come up to me and there was a point where I was counting how many people would say that to me after a show, like 'Hey! Has anyone ever told you that you sound like Freddie Mercury?' It was at least 5 every time, without fail.

"It is an honor, there are far worse singers out there to be compared to. I’ve come to terms with it. I’ve accepted it, and it’s something I’m never going to escape, so why bother? If I tried to escape it, or kind of morph my voice into something unnatural. It’s the way I sound and thankfully it’s someone who people genuinely love to hear."

Martel is taking his voice on the road again in 2025, touring the United States through the summer and heading to Europe in fall. If we can't have Freddie Mercury live, singing along with Martel to Queen's classics may just be the next best thing.

You can find more of Marc Martel's Freddie Mercury magic on YouTube.

This article originally appeared two years ago.

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Guy reveals why the 'old man praying’ painting you see may not be what it seems

The painting was taken from a photograph.

via Wikimedia Commons

The Minnesota state photograph "Grace" by Eric Enstrom depicts traveling salesman Charles Wilden in Bovey, Minnesota.

One of the most popular pieces of 20th-century American art is a painting of an old devout man praying over a bowl of gruel and a loaf of bread in front of a Bible. The piece is called “Grace,” and it can be found in homes, churches, and even restaurants.

I clearly remember a copy hanging on the wall at my corner burger joint, Mack’s Burgers, in Torrance, California, in the ’80s. Sadly, it’s been torn down and is now a Jack in the Box. However ubiquitous the photo may be, a new video by pop culture YouTube user Austin McConnell shows that “Grace” isn’t really what it seems.

“Grace” was originally a photograph taken in 1918, during World War I, by Eric Enstrom, a Swedish American from Bovey, Minnesota. Enstrom was preparing some photographs to take with him to a convention when Charles Wilden, a salesman selling boot scrapers, came to his door, and he know he had to take his photo.

“There was something about the old gentleman’s face that immediately impressed me. I saw that he had a kind face… there weren’t any harsh lines in it,” Enstrom said. “I wanted to take a picture that would show people that even though they had to do without many things because of the war they still had much to be thankful for,” he added.

- YouTubewww.youtube.com

“There was something about the old gentleman’s face that immediately impressed me. I saw that he had a kind face… there weren’t any harsh lines in it,” Enstrom said. “I wanted to take a picture that would show people that even though they had to do without many things because of the war they still had much to be thankful for,” he added.

Enstrom posed Wilden in front of a loaf of bread, a bowl—which may have been empty—and a large book that many assume to be the Bible. But, as McConnell notes, the book is far too large to be the good book, as most people assume. The Grand Forks Herald claims that a receipt for payment from Enstrom to Wilden reveals that the book is a dictionary.

The photograph went on to be a huge hit at the convention, and Enstrom began selling copies about town. After many requested copies of the photo in color, Enstrom’s daughter, Rhoda Nyberg, began hand-painting them in oils and added a streak of light on the left side of the painting. This is the version that people have come to love.



"The intent of the photo is fairly obvious,” McConnell says in the video. “Enstrom wanted an image that conveyed to people that even though they had to do without many provisions because of the ongoing war, there was still much to be thankful for. A picture that seemed to say 'this man doesn't have much of earthly goods, but he has more than most people because he has a thankful heart.'"

Enstrom convinced Wilden to sign over his rights for $5, which gave him the sole copyright. He then licensed the image to the Lutheran-affiliated Augsburg publishing house, which distributed the image across the country. According to McConnell “thousands and thousands” of copies of the photo were sold. The image entered the public domain in 1995.



Although not much is known about Wilden, it is believed that he lived a hard life. "He was living in a very primitive sod hut near Grand Rapids, eking out a very precarious living," retired history professor Don Boese told the Grand Forks Herald. It’s also likely that he wasn’t the devout man we imagine in the photo. "The stories about him centered more around drinking and not accomplishing very much,” Boese said.

So the painting was actually a photo. The Bible, a dictionary, and the subject was more likely to be the town drunk than a saint. But, in the end, does it matter? McConnell believes that its meaning rests in the eye of the beholder.

"If you found out today that everything you thought you knew about this iconic image was actually wrong, would you take it off your wall?” McConnell asks at the end of the video. “Or would you accept that the value in a piece of art isn't merely derived from the knowledge of how it was made? Or who made it?”

Come to think of it, the fact that the man in the painting is an alcoholic may make the painting even more profound. For a person who is down on their luck and may have turned their back on religion, having a moment to be grateful for the small things in life is a wonderful sentiment. It goes to show that anyone can turn their life around. When someone down on their luck is given a second chance, it's one of the most powerful examples of grace.

This article originally appeared three years ago.

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