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    Meta Tech

    tech.fb.com · Company blog · on HN since 2019

    Meta's engineering and research blog covering AI, AR/VR hardware, wearables, and infrastructure work at Facebook Reality Labs and production engineering.

    Visit blogHN submissions
    AI & Machine LearningTech IndustryHardware & Electronics
    What HN says

    HN links it for primary sources on Meta projects like the Wikipedia citation-checking AI, music source separation, and renewable energy efforts; commenters prefer the original post over press coverage.

    Stats for nerds
    63HN people shared it
    64linked in comments
    517story points
    Oct 2022last shared
    2019people per year2022

    Top posts on HN

    1. 1
      AI is supercharging the creation of maps around the world
      1 person · 167 points · first shared 2019 · 41 comments on HN
    2. 2
      AI translates Hokkien, an unwritten language, for the first time
      1 person · 143 points · first shared 2022 · 90 comments on HN
    3. 3
      Building Inclusive AI at Facebook
      1 person · 58 points · first shared 2019 · 23 comments on HN
    4. 4
      AI could help make Wikipedia entries more accurate
      5 people · 17 points · first shared 2022 · 8 comments on HN
    5. 5
      Ray-Ban and Facebook introduce Ray-Ban Stories, first-generation smart glasses
      3 people · 13 points · first shared 2021 · 8 comments on HN
    6. 6
      FB Reality Labs: The Next Era of Human-Computer Interaction
      4 people · 11 points · first shared 2021 · Discussion on HN
    7. 7
      Facebook Reality Labs: Wrist-based interaction for the next computing platform
      5 people · 10 points · first shared 2021 · Discussion on HN
    8. 8
      Meta production engineers solve the problem of scale
      3 people · 8 points · first shared 2022 · Discussion on HN
    9. 9
      Facebook Teams Up with UCSF on Brain-to-Text BCI Research
      1 person · 7 points · first shared 2019 · Discussion on HN
    10. 10
      Facebook’s Oculus Insight Technology
      2 people · 6 points · first shared 2019 · 1 comments on HN

    What HN people wrote when they linked it

    • tiarafawnAug 2022

      The original blog post would be a better link to post here rather than the article: https://tech.fb.com/artificial-intelligence/2022/07/how-ai-could-help-make-wikipedia-entries-more-accurate/

      Reading through it, I strongly disagree with FB's example for "Better citations in action".
      I don't see an improvement in the wording and IMO they would be making it worse by switching from an official first party source to a third party one.

      While their tool might be useful to find semantic (mis)matches, a much more important part of verifying citations is to verify that the source has any business to make claims about the matter in the first place. https://xkcd.com/978/

      QUOTE
      Better citations in action
      Usually, to develop models like this, the input might be just a sentence or two. We trained our models with complicated statements from Wikipedia, accompanied by full websites that may or may not support the claims. As a result, our models have achieved a leap in performance in terms of detecting the accuracy of citations. For example, our system found a better source for a citation in the Wikipedia article “2017 in Classical Music.” The claim reads:

      “The Los Angeles Philharmonic announces the appointment of Simon Woods as its next president and chief executive officer, effective 22 January 2018.”

      The current Wikipedia footnote for this statement links to a press release from the Dallas Symphony Association announcing the appointment of its new president and CEO, also effective…

    • weswpgDec 2020

      From Facebook Reality Labs:

      > Today in Nature Communications, Chang and David Moses, a postdoctoral scholar in Chang’s lab at UCSF, published the results of a study demonstrating that brain activity recorded while people speak could be used to almost instantly decode what they were saying into text on a computer screen. While previous decoding work has been done offline, the key contribution in this paper is that the UCSF team was able to decode a small set of full, spoken words and phrases from brain activity in real time — a first in the field of BCI research. The researchers emphasize that their algorithm is so far only capable of recognizing a small set of words and phrases, but ongoing work aims to translate much larger vocabularies with dramatically lower error rate

      https://tech.fb.com/imagining-a-new-interface-hands-free-communication-without-saying-a-word/

    • lwnealJan 2022

      You need a swivel chair and a one meter radius of empty space. You need to touch-type, and you can't use a mouse (you point your head instead). You have to learn a system of hand gestures.
      But if you can adapt to the constraints, a VR workstation allows you to bypass limits like Fitt's Law [1] so you can work "at the speed of thought".
      Just like vim or emacs, VR is slower and more difficult at first.
      But in the long run, using it provides an advantage, and so it will be used.

      Will the future of VR productivity be open-source projects like SimulaVR? [2]
      Or will it all be part of Facebook's Metaverse? [3]

      [1] https://en.wikipedia.org/wiki/Fitts%27s_law

      [2] https://github.com/SimulaVR/Simula

      [3] https://tech.fb.com/connect-2021-our-vision-for-the-metaverse/

    • letcreeJul 2019

      Very cool that they are integrating it with HOT tasking manager and making it easy for anyone to use the editor with the ML-generated proposed objects in several countries. I think the ML has been there for a couple years but currently it's not easy to take advantage of it.

      Hopefully they eventually release the ML pipeline itself as well.

      Their RapiD editor has some similarities to a research project I was involved with: https://mapster.csail.mit.edu/maid.html

      (https://www.youtube.com/watch?v=i-6nbuuX6NY vs https://tech.fb.com/wp-content/uploads/2019/07/add_ML_road.gif.-1.gif)

    • mv4Sep 2022

      Reality Labs (Meta) | Technical Program Manager (TPM) | REMOTE or Bay Area | Full-time

      We are looking for a senior (L5 or L6) TPM to help build next gen tooling, processes, and automation for capacity planning, forecasting, and management.

      TC: https://www.levels.fyi/comp.html?track=Technical%20Program%20Manager&search=facebook&region=501

      What's in scope: in-house compute (incl. GPU), networking, and storage capacity, public cloud. You can read about our infra here: https://tech.fb.com/engineering/

      This is a high impact opportunity. Email resume to malatortsev at fb dot com

    • jeffbeeFeb 2022

      The 70% thing came from a business development official in Loudoun County, a person whose job is to promulgate misleading boosterism. It doesn't make even a sliver of sense to someone who thinks it over for a moment.

      Cooling is a major data center cost, but it's not 40% any more. All of the major datacenter operators claim a PUE of 1.11 or less. Facebook has been the most open and vocal about how they achieve this, for example at https://tech.fb.com/hyperefficient-data-centers/ (scroll down to "Systems").

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