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Instagram Employs Machine Learning to Stop Bullying

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New Head of Instagram Adam Mosseri is only 10 days into the job and already introducing high-tech tools to limit bullying on the social network.

“Online bullying is complex,” Mosseri wrote in a blog post, recognizing that the current system of reporting and removing content that violates company guidelines isn’t enough.

“We know we have more work to do to further limit bullying and spread kindness on Instagram,” he said.

Enter machine learning.

A new algorithm, trained to detect harassment in photos and captions, proactively sends offending content to the Community Operations team for review.

“This change will help us identify and remove significantly more bullying,” Mosseri said. “And it’s a crucial next step since many people who experience or observe bullying don’t report it.”

Bullying comment filter on Live videos (via Instagram)

It is also aimed at protecting Instagram’s youngest members, since teens often experience high rates of online torment.

The new function is rolling out now, and is expected to reach all users over the coming weeks.

There are no further details about how the system works, or whether it differs at all from the usual means of complaint.

Even AI isn’t perfect, though. You can still manually report a post or profile for abuse via the mobile app or website.

Additionally, the platform is expanding its bullying comment filter to hide crude comments from the Feed, Explore, and Profile tabs, as well as live videos (above)—”to ensure that Live remains a safe and fun place to authentically connect with your friends and interests,” Mosseri wrote.

Maddie Ziegler’s kindness camera filter (via Instagram)

Sure, taking down trolls is important and self-affirming. But so is spreading kindness—a concept Instagram is celebrating with Maddie Ziegler. The teen dancer (best known for Dance Moms, Sia music videos, and being Millie Bobby Brown’s BFF) helped launch a kindness camera effect “to spread positivity.”

“Maddie has been speaking out against online bullying since she started experiencing it and is one of many people in our community that uses Instagram to promote positivity,” the blog said.

Ziegler’s 12.4 million followers can automatically access the effect; simply open the camera, tap the face icon at the bottom, and click “spread kindness.”

In selfie mode, hearts fill the screen; switch to the rear camera to see kind comments in various languages. You are encouraged to tag a friend to support; they in turn receive a notification, and can share it to their own story or use the filter to pay it forward.

It’s no coincidence that Instagram announced its latest efforts at the beginning of October—National Bullying Prevention Month in the US.

Parent company Facebook recently revealed how it uses artificial intelligence, machine learning, and computer vision to purge the site of hate speech, nudity, and violence. Stay up to date with all things Instagram here.

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IBM AI Loses Debate to Human Champion

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In the battle of man versus machine, crushing defeats by DeepMind’s artificially intelligent Go and StarCraft gaming systems tipped the scales in favor of automation.

But humankind is making a comeback.

On Monday, IBM’s seven-year-old AI debating system Project Debater went head-to-head with a mortal world debate champion Harish Natarajan in a public contest.

The pair, moderated by Intelligence Squared host John Donvan, delivered arguments for and against the resolution “We should subsidize preschool.”

With just 15 minutes to prepare for the event, Project Debater and Natarajan each delivered a four-minute opening statement, four-minute rebuttal, and two-minute summary.

A tall, sleek monolith with a rectangular mouth of blue sound waves, the IBM machine’s knowledge base consists of about 10 billion sentences, collected from newspapers and journals.

In a live debate, it searches for short pieces of text in its massive digital library to defend or oppose the motion.

“This requires a deep understanding of human language and its infinite nuances and very precise stance identification,” creators Ranit Aharonov and Noam Slonim wrote in a blog post. “[That’s] something that is not always easy for humans and is certainly very difficult for computers.”

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In a matter of seconds, Project Debater can remove redundant argumentative texts, select the strongest remaining claims and evidence, arrange them by theme, and create a narrative of support or contention.

It also listens to and digests the opponent’s responses, building a counterstatement in a “surprisingly charming and human-sounding” way, according to Donvan.

Project Debater debuted in June, participating in its first live public event before a small audience. At this week’s IBM Think conference in San Francisco, it faced off against Natarajan in front of a large in-person audience, with many more watching via livestream (video above).

The winner was determined by his (Natarajan’s) or her (Project Debater’s) ability to convince the audience of the persuasiveness of their arguments. Results were formulated in a real-time online poll.

Before the debate, 79 percent of the audience agreed that preschools should be subsidized, while 13 percent disagreed (8 percent were undecided). After hearing both sides present, 62 percent agreed that preschools should be subsidized, while 30 percent disagreed—clinching Natarajan’s win.

Despite the setback, IBM should consider this a win: More than half of participants said that Project Debater better enriched their knowledge about the topic, compared to only 20 percent for Natarajan.

“Ultimately, what we saw was that the interaction of man and machine could be enriching for both,” Slonim said in a statement following the debate. “It’s not a question of one being better than the other, but about AI and humans working together.”

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‘Alita: Battle Angel’ Taps Performance Capture Tech to Elevate Effects

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Alita: Battle Angel is a thrilling mix of powerful cyborgs, post-apocalyptic cities, and gory fights. The sci-fi movie’s action sequences are courtesy of an advanced innovation: performance capture technology.

The futuristic flick, which hits theaters on Feb. 14, follows Alita (Rosa Salazar), an abandoned cyborg who becomes a fierce warrior to fight corrupt forces. This plot would be hard to accomplish with basic animation, however, performance capture technology enabled the movie’s team to generate lifelike special effects, PCMag reported.

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“This is the tech we’ve been developing. In an earlier test shoot, for [a movie that never got made, based on the novel] Brother Termite, when aliens were arriving, we had an actor perform with an umbrella rig around his head—12 cameras—everywhere,” Jon Landau, the producer of the film, told PCMag. “We saw a future where we would use that facial performance capture to drive performance rather than animating it.”

To make this digital vision possible, Alita: Battle Angel’s team partnered with Weta Digital, a visual effects company based in New Zealand. Unlike other animation systems, this performance capture technology doesn’t interfere with actors’ performances.

Rosa Salazar as Alita in ‘Alita: Battle Angel’ (Photo Credit: PCMag)

“The giant system [we have today], when it loses a data point, it’s still able to solve for the skeleton and what the muscles do,” Landau added. “[In our partnership with] Weta Digital … we’re now [able] to create Salazar’s performance from the inside, driving the performance from a muscle base—not putting a mask on the actor through animation—to make sure we are living up to the performance that Salazar is giving us.”

According to Weta Digital, performance capture technology notes details of an actor’s face performance, analyzes how their muscles move, and then maps these motions onto a virtual character. (For example, see Salazar above with dots on her face during the filming process.) What makes this technology cool is that it provides animated figures with human-like reactions, so directors can keep a good shooting flow without stopping to map every facial movement.

“I’m pretty technically proficient and I usually do my own visual effects supervisor role, but now I get to geek out with [Weta Digital],” Robert Rodriguez, Alita: Battle Angel’s director, told PCMag. “We can take it to another level having them and their knowledge.”

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General Motors Starts Taking Orders for Its First Electric Bike

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General Motors is reimagining future transportation with its first ARĪV electric bike brand.

In November 2018, General Motors held a global crowdfunding campaign for its new eBike brand. After fans submitted potential names, General Motors decided to call the brand ARĪV, which is pronounced like “arrive.”

The brand includes two connected eBikes: the Meld compact eBike and the Merge folding eBike, which will each retail between $3,106 and $3,782 in Belgium, Germany, and the Netherlands. General Motors, which is taking preorders for the eBikes now via BikeExchange.com, said it will start shipping orders in a few months.

General Motors didn’t provide too many details on the eBikes, however, it said that the eBikes’ motors can reach speeds up to 15.5 mph and contain four levels of pedal-assisted power. There are also key safety features, including a rechargeable front, rear LED lights, and oversized break rotors. Plus, the eBikes’ batteries can be charged in approximately 3.5 hours and receive up to 40 miles of ride time on a single charge.

ARĪV Merge Electric Bike (Photo Credit: General Motors)

Connectivity is another key feature for both eBikes: They can connect to an app that provides users with key riding metrics, including distance, motor assist level, remaining battery level, and speed. Each eBike comes with a Quad Lock mount as well, so users can safely secure a smartphone to the handlebars during rides. General Motors also said it’s working on additional app features, including, “a mode that will use a proprietary algorithm to help riders arrive at their destination sweat-free.”

General Motors did not disclose if its new eBikes will be available in the U.S. and other countries, however, more details on specs and pricing are available on Bike Exchange’s website.

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