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Archivo del Autor: Belen De Leon

Instagram giveaway! Enter to win* a 4K streamer – CNET

Attention, Instagram fam! We’re giving away one of the best 4K streamers on the market. This promotion ends April 29.
Source: CNET

Who's Captain Marvel? More on the hero Brie Larson will play – CNET

After Avengers: Infinity War, you probably have some questions about the newest MCU character, and we can help. Spoilers ahead!
Source: CNET

Amazon Prime's price went up, but you probably won't leave anyways – CNET

Amazon increased the fee for annual US Prime members, taking it from $99 to $119. Though some folks are squawking, they’ll probably pony up regardless.
Source: CNET

The House Intelligence Committee's Russia Report Doesn't Exonerate Donald Trump

Republicans concluded that Trump’s campaign didn’t collude with Russia, but the president is far from off the hook.
Source: Wired

Google Cofounder Sergey Brin Warns of AI's Dark Side

Google cofounder calls advances in artificial intelligence “the most significant development in computing in my lifetime,” but warns of ethical concerns.
Source: Wired

How Red-Pill Culture Jumped the Fence and Got to Kanye West

Popularized by misogynists, fueled by white supremacists, and now espoused by the most popular rapper in the world.
Source: Wired

Gadget Lab Podcast: Snap Spectacles and Our Faceputer Future

This week on the Gadget Lab podcast, we hear about Lauren and Arielle’s adventures with Snap’s new Spectacles.
Source: Wired

Apple is reportedly building an insane ’16K’ VR headset

Apple has long been rumored to be working on a pair of augmented reality glasses, but a report today suggests that they’re looking to compete with Google, Microsoft and Facebook in the virtual reality space as well.

CNET reports that Apple has its eye set on the 2020 release of a wireless headset that combines AR and VR technologies. The report also gives specific details for the project internally referred to as T288. Namely, sources told CNET that the headset will have an 8K display for each eye and will connect wirelessly to a dedicated “box.”

Vrvana’s Totem headset

One of the general assumptions many in the market had been operating under was that Apple might “skip” entertainment-focused VR altogether in favor of approaching the lifestyle-focused AR technologies that put a digital layer between users and the real world.

I’m fairly skeptical that they would combine these two initiatives as this report suggests; I find it more likely that the “AR” described to CNET is closer to the “mixed reality” technologies that Microsoft has implemented into its VR headsets, basically tech that can take in more environmental information to influence the in-headset VR experience. This is in line with what Vrvana was working on before Apple acquired them last year. For Apple to truly merge AR and VR at the resolutions detailed, they would likely need a fairly bulky design that I would be surprised to see them pursue with an AR product.

The technologies that allow for 8K images per eye would likely have to be microLEDs and, at that resolution, they’d be prohibitively expensive right now and almost mind-bogglingly power-hungry. Even testing twin 8K displays currently would take multiple high-end GPUs tethered together. The report suggests that this would be a wireless and connect to an external system running an Apple-designed chip. Streaming dual 8K feeds wirelessly would also undoubtedly pose a daunting challenge, though rendering technologies enabled by eye-tracking could reduce the streaming load considerably.

Magic Leap’s lightwear

Two years is far away, so perhaps Apple is banking on their own ability to minimize costs on the display-front here. Bloomberg recently reported that the Cupertino company has opened a secret manufacturing facility for the display type, which have a keen use case in head-mounted displays where tight pixel densities matter more due to the lenses as well as the physical distance from your eyes.

The report states that this device is slated for 2020, though things could of course change in the meantime.

VR seems to be continuing to improve at a steady pace, and while the hype powering its initial boon has largely died off, the tech giants that can afford to nurture the industry have continued to do so. Facebook’s efforts with Oculus have become quite polished in some regards (though there are still plenty of limitations to speak of), and it appears that Apple is recognizing that there’s too much to lose out on if things take off.


Source: TechCrunch

Facebook shrinks fake news after warnings backfire

Tell someone not to do something and sometimes they just want to do it more. That’s what happened when Facebook put red flags on debunked fake news. Users who wanted to believe the false stories had their fevers ignited and they actually shared the hoaxes more. That led Facebook to ditch the incendiary red flags in favor of showing Related Articles with more level-headed perspectives from trusted news sources.

But now it’s got two more tactics to reduce the spread of misinformation, which Facebook detailed at its Fighting Abuse @Scale event in San Francisco. Facebook’s director of News Feed integrity Michael McNally and data scientist Lauren Bose held a talk discussing all the ways it intervenes. The company is trying to walk a fine line between censorship and sensibility.

These red warning labels actually backfired and made some users more likely to share, so Facebook switched to showing Related Articles

First, rather than call more attention to fake news, Facebook wants to make it easier to miss these stories while scrolling. When Facebook’s third-party fact-checkers verify an article is inaccurate, Facebook will shrink the size of the link post in the News Feed. “We reduce the visual prominence of feed stories that are fact-checked false,” a Facebook spokesperson confirmed to me.

As you can see below in the image on the left, confirmed-to-be-false news stories on mobile show up with their headline and image rolled into a single smaller row of space. Below, a Related Articles box shows “Fact-Checker”-labeled stories debunking the original link. Meanwhile on the right, a real news article’s image appears about 10 times larger, and its headline gets its own space.

 

Second, Facebook is now using machine learning to look at newly published articles and scan them for signs of falsehood. Combined with other signals like user reports, Facebook can use high falsehood prediction scores from the machine learning systems to prioritize articles in its queue for fact-checkers. That way, the fact-checkers can spend their time reviewing articles that are already qualified to probably be wrong.

“We use machine learning to help predict things that might be more likely to be false news, to help prioritize material we send to fact-checkers (given the large volume of potential material),” a spokesperson from Facebook confirmed. The social network now works with 20 fact-checkers in several countries around the world, but it’s still trying to find more to partner with. In the meantime, the machine learning will ensure their time is used efficiently.

Bose and McNally also walked the audience through Facebook’s “ecosystem” approach that fights fake news at every step of its development:

  • Account Creation – If accounts are created using fake identities or networks of bad actors, they’re removed.
  • Asset Creation – Facebook looks for similarities to shut down clusters of fraudulently created Pages and inhibit the domains they’re connected to.
  • Ad Policies – Malicious Pages and domains that exhibit signatures of wrong use lose the ability to buy or host ads, which deters them from growing their audience or monetizing it.
  • False Content Creation – Facebook applies machine learning to text and images to find patterns that indicate risk.
  • Distribution – To limit the spread of false news, Facebook works with fact-checkers. If they debunk an article, its size shrinks, Related Articles are appended and Facebook downranks the stories in News Feed.

Together, by chipping away at each phase, Facebook says it can reduce the spread of a false news story by 80 percent. Facebook needs to prove it has a handle on false news before more big elections in the U.S. and around the world arrive. There’s a lot of work to do, but Facebook has committed to hiring enough engineers and content moderators to attack the problem. And with conferences like Fighting Abuse @Scale, it can share its best practices with other tech companies so Silicon Valley can put up a united front against election interference.


Source: TechCrunch

DNA analysis site that led to the Golden State Killer issues a privacy warning to users

As more details emerge about the arrest of the man suspected to be the Golden State Killer, it’s clear that one of the most infamous unsolved cases of all time was cracked using a popular free online genealogy database.

The site, known as GEDmatch, is a popular resource for people who have obtained their own DNA through readily available consumer testing services and want to fill in missing portions of their family tree to conduct further analyses. Compared to a polished service like 23andMe, GEDmatch is an open platform lacking the same privacy and legal restrictions that govern user data on more mainstream platforms.

To home in on their suspect, investigators used an intact DNA sample taken at the time of a 1980 Ventura County murder linked to the serial killer. The team uploaded data from the sample into GEDmatch and were able to identify distant relatives of the suspect — a critical breakthrough that soon led to the arrest of Joseph James DeAngelo, 72.

Given the high-stakes nature of DNA data and the popularity of voluntary online DNA databases, the case immediately raised a number of flags for data privacy advocates.

On Friday, GEDmatch confirmed on its landing page for logged-in users that law enforcement sifted through its DNA database in the case:

To correct a BIG misunderstanding, we do not show any person’s DNA on GEDmatch. We only show manipulations of data such as DNA [matches].

We understand that the GEDmatch database was used to help identify the Golden State Killer. Although we were not approached by law enforcement or anyone else about this case or about the DNA, it has always been GEDmatch’s policy to inform users that the database could be used for other uses, as set forth in the Site Policy

While the database was created for genealogical research, it is important that GEDmatch participants understand the possible uses of their DNA, including identification of relatives that have committed crimes or were victims of crimes.

If you are concerned about non-genealogical uses of your DNA, you should not upload your DNA to the database and/or you should remove DNA that has already been uploaded. To delete your registration contact gedmatch@gmail.com.

Though an initial misunderstanding raised suspicion that law enforcement used a major player in consumer genetic testing like 23andMe or Ancestry DNA in the Golden State Killer development, investigators instead leveraged another voluntary DNA database with no such hoops to jump through. Both 23andMe and Ancestry require law enforcement to create a legal request in the form of a search warrant or a court order before accessing any specific genetic or personal information.

23andMe explains its policies toward forensics in a special page dedicated to its relationship with law enforcement:

Use of the 23andMe Personal Genetic Service for casework and other criminal investigations falls outside the scope of our services intended use.

Therefore, it is a violation of our TOS for law enforcement officials to submit samples on behalf of a prisoner or someone in state custody who has been charged with a crime.

While the revelation that investigators have apprehended a suspect in the long-cold case is good news, the incident is reigniting justifiable concerns around consumer DNA testing.

In an interview with The New York Times, Paul Holes, the Contra Costa county investigator who helped crack the case, marveled at the power of GEDmatch. “I was blown away with what it could do,” Holes said.


Source: TechCrunch

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