# Shakes on a Plane: Can you Harlem shake yourself to death?

Dancing like a tit at 30,000 feet.

Harlem shaking. Everyone's doing it, it's terrible, and sometimes you wish they would die. Lately, it seems like they might. Passengers on one plane nearly sparked an aviation emergency after harlem shaking en masse without thinking about the physics of such concerted action:

Maybe it seemed like a good idea at the time, but the problem is that a plane is, y'know, a floating tube hurtling through the air at hundreds of miles per hour. Everyone in that floating tube violently throwing their weight around runs quite a high chance of upsetting the delicate balance that keeps the tube floating in the air.

As a result, the FAA is looking into whether the stunt, which was carried out by students from the Colarado College in the US, was safe. The *Catalyst*, the college's newspaper, reports:

The students, who were traveling from Colorado Springs to San Diego on the way to an ultimate frisbee tournament, filmed a version of the “Harlem Shake,” a YouTube meme that has gone viral in the past few months. While no charges or sanctions have been filed against the airline or the students, the FAA is continuing their investigation into the flight and working to uncover if any regulations were violated.

“They are still looking into it, it’s still open,” Tony Molinero, a spokesman for the FAA said this week. “…I don’t know where the [investigators] were told about it, but when they saw the video they just decided to look into it because it is better to be safe than sorry.”

Back-of-the-envelope maths shows that the shakers would have to try quite hard to kill themselves. Take a Boeing 727-100, roughly the same type of plane the shakers will have been on. That plane has a maximum takeoff weight of 77 tonnes, and an empty weight of just under 37 tonnes. That means that, assuming the airline is halfway competent, the total weight of everybody on board can't be more than 40 tonnes. As it’s is, of course, they are likely to be nowhere near that. For one thing, much of that weight will actually be luggage and other essentials; for another, the plane holds a max of 150 passengers, and even assuming some bulky American football players, they don't weigh an average of 375kg.

So assume, at a stretch, a passenger weight of around 20 tonnes — maybe there are some really fat people just off frame. And assume that, at some point in the shake, they all threw their weight in the same direction at the same time. That would also be unlikely, given the whole point of the Harlem shake is everyone shaking crazily, not moving in lockstep as though they were inmates at that Thai prison where everyone is forced to dance to Michael Jackson.

A professional long-jumper hits 10m/s at the end of their run, so again, being generous, lets assume that's the speed our airborne meme-generators throw themselves to the side. If they make up roughly a quarter of the weight of the plane, that means the jet as a whole will lurch 2.5 m/s to the side.

That's about the magnitude of a particularly nasty stretch of turbulence. The far more dangerous aspect would be the fact that if you have 150 people in a confined space throwing themselves against the wall, the resulting crush would leave several of them gasping for breath.

And in the real world, the Harlem shake doesn't involve everyone throwing themselves in one direction in an effort to take down a plane. Instead, it just involves someone dancing like a tit for fifteen seconds, before everyone else dances like a tit for a further fifteen seconds. In those circumstances, they'll likely land safe and sound. Though frankly, they don't deserve to.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

Flickr: woodleywonderworks
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# Lol enforcement: meet the man policing online joke theft

A story of revenge, retweets, and Kale Salad.

A man walks into a bar and he tells a joke. The man next to him laughs – and then he tells the same joke. The man next to him, in turn, repeats the joke. That bar’s name is Twitter.

If you’ve been on the social network for more than five minutes, you’ll notice that joke theft is rampant on the site. Search, for example, for a popular tweet this week (“did everyone just forget about the part of 2016 when literal clowns would chase people with knives in public and nobody really did anything” – 153,000 retweets) and you’ll see it has been copied 53 times in the last three days.

One instance of plagiarism, however, is unlike the others. Its perpetrator is the meme account @dory and its quick Ctrl+C, Ctrl+V has over 3,500 retweets. This account frequently copies the viral posts of Twitter users and passes them off – word for word – as its own. Many similar accounts do the same, including @CWGirl and @FatJew, and many make money by promoting advertising messages to their large number of followers. Twitter joke theft, then, is profitable.

In 2015, Twitter promised to clamp down on the unchecked plagiarism on its site. “This Tweet from [user] has been withheld in response to a report from the copyright holder,” read a message meant to replace stolen jokes on the site. It’s likely a message you’ve never seen.

Dissatisfied with this solution, one man took it upon himself to fight the thieves.

“I'm a like happy internet kind of guy,” says Samir Mezrahi, a 34-year-old from New York who runs the Twitter account @KaleSalad. For the last six months, Mezrahi has used the account to source and retweet the original writers of Twitter jokes. Starting with a few hundred followers at the end of December 2016, Mezrahi had jumped to 50,000 followers by January 2017. Over 82,000 people now follow his account.

“I've always been a big fan of like viral tweets and great tweets,” explains Mezrahi, over the sound of his children watching cartoons in the background. “A lot of people were fed up with the meme accounts so it’s just like a good opportunity to reward creators and people.”

Samir Mezrahi, owner of @KaleSalad

I had expected Mezrahi to be a teen. In actual fact he is a father of three and an ex-Buzzfeed employee, who speaks in a calm monotone, yet is enthusiastic about sharing the best content on Twitter. Though at first sourcing original tweets for Kale Salad was hard work, people now approach Mezrahi for help.

“People still reach out to me looking for vindication and just that kind of, I don’t know, that kind of acknowledgement that they were the originals. Because all so often the meme accounts are much larger and their tweets do better than the stolen tweet.”

But just why does having a tweet stolen suck so much? In the grand scheme of things, does it matter? Did everyone just forget about the part of 2016 when literal clowns would chase people with knives in public and nobody really did anything?

Meryl O’Rourke is a comedian and writer who tweets at @MerylORourke, and now has a copyright symbol (©) after her Twitter name. In the past she has had her jokes stolen and reposted, unattributed, on Facebook and Twitter and hopes this symbol will go some way to protecting her work.

“It’s hard to explain how it felt... as a struggling writer you’re always waiting for anything that looks like recognition as it could lead to your break,” she explains. “When your work gains momentum you feel like your opportunity ran off without you.

“Twitter is a test of a writer’s skill. To spend time choosing exactly the right words to convey your meaning with no nuance or explanation, and ensure popularity and a chuckle, in the space of only 140 characters – that’s hard work.”

However, Mezrahi has found not everyone is bothered by their tweets being stolen. I found the same man I reached out to with a stolen tweet who said he didn’t want to speak to me because it felt too “first world problems” to complain. Writers like O’Rourke are naturally more annoyed than random teenagers, who Mezrahi says are normally actually pleased about the theft.

“If you go to [a teenager’s] timeline it’s always the same thing. They’re replying to all their friends saying like ‘I’m famous’, they’re retweeting the meme accounts saying like ‘I did it’… they don’t mind as much it seems. It’s kind of like a badge of honour to them.”

Sometimes, people even ask Kale Salad to unretweet their posts. College students with scholarships, in particular, might not actually want to go viral – or some viral tweets may accidentally include personal information. On the whole, however, people are grateful for his work.

Yet the Kale Salad account does have unintended consequences. Mezrahi has now been blocked by the major meme accounts that frequently steal jokes, meaning he had to create alternate accounts to view their content. But just because he can’t see them doesn’t mean they don’t see him – and he has noticed that these accounts now actually come to his profile to steal jokes he has retweeted, in a strange role-reversal.

“There are definitely times when they're picking up things that I just retweeted, like I know they're like looking at me too,” he says. “It feels like vindicated or validated that they come to me.”

Mezrahi now works in social media on a freelance basis, but would be open to making Kale Salad profitable. Earlier this year he set up an account on Patreon – a site that allows fans to pay their favourite creators. Some people didn’t approve of this, tweeting to say he is “just retweeting tweets”. So far, Mezrahi has three patrons who pay him \$50 (£39) a month.

“I mean I spend a certain amount of time on this and I think it’s a pretty good service, so I've been thinking about monetisation and thought that might be a route,” he explains. He believes he is providing an important service by “amplifying” creators, and he didn’t want to make money in less transparent ways, such as by posting sponsored advertisements on his account. Yet although many online love Kale Salad, they don’t, as of yet, want to pay him.

“Twitter should buy my account because I’m doing a good thing that people like every day,” he muses.

Many might still be sceptical of the value of a joke vigilante. For those whose jokes aren’t their bread or butter, tweet theft may seem like a very minimal problem. And although it arguably is, it’s still incredibly annoying. Writing in Playboy, Rob Fee explains it best:

“How upsetting is it when you tell a joke quietly in a group of friends, then someone else says it louder and gets a huge laugh? Now imagine your friend following you every day listening for more jokes because people started throwing money at him every time he repeated what you said. Also, that friend quit his job because he made enough to live comfortably by telling your jokes louder than you can. Odds are, you’d quickly decide to find new friends.”

For now, then, Kale Salad will continue his work as the unpaid internet police. “As long as people like the service, I don’t mind doing it. If that's a year or two years or what we'll see how the account goes,” he says.

“Twitter is fun and I like the fun days on the internet and I like to help contribute to that.

“The internet is for fun and not all the sadness that’s often there.”

Amelia Tait is a technology and digital culture writer at the New Statesman.

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