Moises Jafet
@moisesjafet.com
Toolmaker, physicists, technologists, software engineer & parallel entrepreneur. Founder of @PollZapper.com and @yotober.com. 🇨🇦
Pinned
"Work in the future: a partnership between people, agents, and robots—all powered by #AI. Today’s technologies could theoretically automate more than half of current US work hours. ...work may change, but it is not a forecast of job losses. Adoption will take time."
www.mckinsey.com/mgi/our-rese...
www.mckinsey.com/mgi/our-rese...
www.mckinsey.com
December 1, 2025 at 4:45 PM
"Work in the future: a partnership between people, agents, and robots—all powered by #AI. Today’s technologies could theoretically automate more than half of current US work hours. ...work may change, but it is not a forecast of job losses. Adoption will take time."
www.mckinsey.com/mgi/our-rese...
www.mckinsey.com/mgi/our-rese...
"Fortune 100 bank that deployed an LLM to classify loan applications. Benchmark accuracy looked stellar. Yet, 6 months later, auditors found that 18% of critical cases were misrouted, without a single alert or trace... No observability, no accountability."
venturebeat.com/ai/why-obser...
venturebeat.com/ai/why-obser...
Turning AI from experimental to operational starts with true observability.
Turning AI from experimental to operational starts with true observability.
venturebeat.com
November 30, 2025 at 3:45 PM
"Fortune 100 bank that deployed an LLM to classify loan applications. Benchmark accuracy looked stellar. Yet, 6 months later, auditors found that 18% of critical cases were misrouted, without a single alert or trace... No observability, no accountability."
venturebeat.com/ai/why-obser...
venturebeat.com/ai/why-obser...
"The highest overall AI hallucination rate was 94 % for Grok‑3, indicating nearly all its answers were incorrect."
www.visualcapitalist.com/sp/ter02-ran....
www.visualcapitalist.com/sp/ter02-ran....
Ranked: AI Hallucination Rates by Model
Find out how common AI hallucination is for leading models, and what that means for the businesses that rely on them.
www.visualcapitalist.com
November 29, 2025 at 3:37 AM
"The highest overall AI hallucination rate was 94 % for Grok‑3, indicating nearly all its answers were incorrect."
www.visualcapitalist.com/sp/ter02-ran....
www.visualcapitalist.com/sp/ter02-ran....
"And the people who used ChatGPT were overall less informative in the advice they gave, and less likely to have confidence in the advice they gave."
www.cbc.ca/radio/quirks....
www.cbc.ca/radio/quirks....
ANALYSIS | ChatGPT may help you find information faster, but you learn less | CBC Radio
Bob McDonald’s Blog: Recent studies show that using chatbots like ChatGPT may get us information faster than ever before, but we’re not gaining much knowledge by using it.
www.cbc.ca
November 29, 2025 at 12:06 AM
"And the people who used ChatGPT were overall less informative in the advice they gave, and less likely to have confidence in the advice they gave."
www.cbc.ca/radio/quirks....
www.cbc.ca/radio/quirks....
"The more senior the engineer, the less they tend to trust the reasoning and instruction-following capabilities of the Agent. We fight the model and try to "code away" the probabilistic nature."
share.google/TdTUQEF8L3Kj...
share.google/TdTUQEF8L3Kj...
Why (Senior) Engineers Struggle to Build AI Agents
Traditional software engineering is deterministic, while AI agents operate probabilistically. This fundamental difference creates challenges for engineers accustomed to strict interfaces and predictab...
share.google
November 27, 2025 at 2:11 PM
"The more senior the engineer, the less they tend to trust the reasoning and instruction-following capabilities of the Agent. We fight the model and try to "code away" the probabilistic nature."
share.google/TdTUQEF8L3Kj...
share.google/TdTUQEF8L3Kj...
"While the existence and quantity of saved tokens depend on the data shape, some benchmarks show that TOON may use 40% fewer tokens in some cases than JSON, potentially resulting in LLM and inference cost savings."
www.infoq.com/news/2025/11....
www.infoq.com/news/2025/11....
New Token-Oriented Object Notation (TOON) Hopes to Cut LLM Costs by Reducing Token Consumption
The recently released Token-Oriented Object Notation (TOON) aims to be a schema-aware alternative to JSON that significantly reduces token consumption at a similar level of accuracy. While the existen...
www.infoq.com
November 24, 2025 at 10:39 PM
"While the existence and quantity of saved tokens depend on the data shape, some benchmarks show that TOON may use 40% fewer tokens in some cases than JSON, potentially resulting in LLM and inference cost savings."
www.infoq.com/news/2025/11....
www.infoq.com/news/2025/11....
"Across the full dataset, 72.4% of cited blog posts included an identifiable answer capsule.
Over half (52.2%) featured either original data or branded-owned insight."
searchengineland.com/how-to-get-c....
Over half (52.2%) featured either original data or branded-owned insight."
searchengineland.com/how-to-get-c....
How to get cited by ChatGPT: The content traits LLMs quote most
An audit of nearly two million sessions shows how answer capsules, clean formatting, and original data drive ChatGPT citations.
searchengineland.com
November 24, 2025 at 4:44 AM
"Across the full dataset, 72.4% of cited blog posts included an identifiable answer capsule.
Over half (52.2%) featured either original data or branded-owned insight."
searchengineland.com/how-to-get-c....
Over half (52.2%) featured either original data or branded-owned insight."
searchengineland.com/how-to-get-c....
"The EU’s regulatory emphasis on privacy, through the General Data Protection Regulation (GDPR), has also spurred the growth of local facilities, especially in Northern and Western Europe."
www.visualcapitalist.com/visualizing-....
www.visualcapitalist.com/visualizing-....
Visualizing All of the World’s Data Centers in 2025
Explore which countries have the most data centers in 2025, revealing the global balance of digital infrastructure and data storage capacity.
www.visualcapitalist.com
November 20, 2025 at 4:15 AM
"The EU’s regulatory emphasis on privacy, through the General Data Protection Regulation (GDPR), has also spurred the growth of local facilities, especially in Northern and Western Europe."
www.visualcapitalist.com/visualizing-....
www.visualcapitalist.com/visualizing-....
Reposted by Moises Jafet
Autocorrect has become our worst enema.
November 19, 2025 at 10:04 PM
Autocorrect has become our worst enema.
Reposted by Moises Jafet
Steven Weinberg’s “The First Three Minutes,” it’s just that it’s a history of a brief period in the very early Universe.
But also Devil in the White City.
But also Devil in the White City.
Ok BlueSky: what are your favorite history books in terms of sheer page-turning, narrative propulsion? Thinking along the line of Killers of the Flower Moon, etc. Nonfiction chronicles that read like novels or movies.
November 19, 2025 at 11:26 PM
Steven Weinberg’s “The First Three Minutes,” it’s just that it’s a history of a brief period in the very early Universe.
But also Devil in the White City.
But also Devil in the White City.
"These systems may appear neutral, but they are far from it... popular models privilege dominant ways of knowing (typically western...) marginalising alternatives, especially those encoded in oral traditions, embodied practice and lang considered “low-resource”"
www.theguardian.com/news/2025/no....
www.theguardian.com/news/2025/no....
What AI doesn’t know: we could be creating a global ‘knowledge collapse’ | Deepak Varuvel Dennison
The long read: As GenAI becomes the primary way to find information, local and traditional wisdom is being lost. And we are only beginning to realise what we’re missing
www.theguardian.com
November 20, 2025 at 4:01 AM
"These systems may appear neutral, but they are far from it... popular models privilege dominant ways of knowing (typically western...) marginalising alternatives, especially those encoded in oral traditions, embodied practice and lang considered “low-resource”"
www.theguardian.com/news/2025/no....
www.theguardian.com/news/2025/no....
Sending my love to everyone who’s riding the emotional rollercoaster of a product launch or big demo day—made even wilder by @cloudflare.social having a bad day.
November 18, 2025 at 12:13 PM
Sending my love to everyone who’s riding the emotional rollercoaster of a product launch or big demo day—made even wilder by @cloudflare.social having a bad day.
Reposted by Moises Jafet
I don’t want to seem out of touch but I don’t actually understand the economy anymore.
November 18, 2025 at 3:23 AM
I don’t want to seem out of touch but I don’t actually understand the economy anymore.
"Now, If IBM feels litigious they can sue Sage, Mathematica, Wolfram or even you for coding a 249 year old math technique."
leetarxiv.substack.com/p/ibm-patent....
leetarxiv.substack.com/p/ibm-patent....
IBM Patented Euler's 200 year old Math Technique
IBM Slapped the Buzzwords 'AI Interpretability' on Generalized Continued Fractions and their Series Transformations and was awarded a Patent
leetarxiv.substack.com
November 18, 2025 at 11:33 AM
"Now, If IBM feels litigious they can sue Sage, Mathematica, Wolfram or even you for coding a 249 year old math technique."
leetarxiv.substack.com/p/ibm-patent....
leetarxiv.substack.com/p/ibm-patent....
🎯 "We also tend to judge new technologies too early. We compare immature, unoptimized versions to mature systems...
What we rarely do is imagine the new technology in fully developed state – then make a fair comp.
That habit clouds our view of the future."
searchengineland.com/the-end-of-t....
What we rarely do is imagine the new technology in fully developed state – then make a fair comp.
That habit clouds our view of the future."
searchengineland.com/the-end-of-t....
The end of the web? Goodbye HTML, hello AIDI!
Why the web as we know it may fade and what AI, personal agents, and data interfaces mean for publishers, SEO, and commerce.
searchengineland.com
November 16, 2025 at 3:20 PM
🎯 "We also tend to judge new technologies too early. We compare immature, unoptimized versions to mature systems...
What we rarely do is imagine the new technology in fully developed state – then make a fair comp.
That habit clouds our view of the future."
searchengineland.com/the-end-of-t....
What we rarely do is imagine the new technology in fully developed state – then make a fair comp.
That habit clouds our view of the future."
searchengineland.com/the-end-of-t....
Reposted by Moises Jafet
I started to create images of dwarf galaxies in the local group for wikipedia. These (and other galaxies) are basically our neighbours. 👋🔭 📷 images from the legacy surveys
see my latest uploads (includes some Hubble images) commons.wikimedia.org/w/index.php?...
see my latest uploads (includes some Hubble images) commons.wikimedia.org/w/index.php?...
November 10, 2025 at 4:58 PM
I started to create images of dwarf galaxies in the local group for wikipedia. These (and other galaxies) are basically our neighbours. 👋🔭 📷 images from the legacy surveys
see my latest uploads (includes some Hubble images) commons.wikimedia.org/w/index.php?...
see my latest uploads (includes some Hubble images) commons.wikimedia.org/w/index.php?...
Reposted by Moises Jafet
i’m excited to announce that i am hiring (again)!
i am looking for a postdoc in computational astrophysics that’s excited about models of stellar transients and multi-messenger astronomy to join my group (star stuff @ steward) at @uarizona.bsky.social!
apply here ✨💥: aas.org/jobregister/...
i am looking for a postdoc in computational astrophysics that’s excited about models of stellar transients and multi-messenger astronomy to join my group (star stuff @ steward) at @uarizona.bsky.social!
apply here ✨💥: aas.org/jobregister/...
Postdoctoral Research Associate I Computational Stellar Astrophysics (Steward Observatory) | American Astronomical Society
The University of Arizona (U of A) Department of Astronomy and Steward Observatory (SO) invites applications for a Postdoctoral Research Associate. The successful candidate will work with Professor Ca...
aas.org
November 10, 2025 at 10:25 PM
i’m excited to announce that i am hiring (again)!
i am looking for a postdoc in computational astrophysics that’s excited about models of stellar transients and multi-messenger astronomy to join my group (star stuff @ steward) at @uarizona.bsky.social!
apply here ✨💥: aas.org/jobregister/...
i am looking for a postdoc in computational astrophysics that’s excited about models of stellar transients and multi-messenger astronomy to join my group (star stuff @ steward) at @uarizona.bsky.social!
apply here ✨💥: aas.org/jobregister/...
Reposted by Moises Jafet
The largest egocentric dataset.
Egocentric (first person) video is a general learning framework that passively captures how skilled workers do their jobs.
- 10,000 hours
- 2,153 factory workers
- 1,080,000,000 frames
Egocentric (first person) video is a general learning framework that passively captures how skilled workers do their jobs.
- 10,000 hours
- 2,153 factory workers
- 1,080,000,000 frames
November 10, 2025 at 11:54 PM
The largest egocentric dataset.
Egocentric (first person) video is a general learning framework that passively captures how skilled workers do their jobs.
- 10,000 hours
- 2,153 factory workers
- 1,080,000,000 frames
Egocentric (first person) video is a general learning framework that passively captures how skilled workers do their jobs.
- 10,000 hours
- 2,153 factory workers
- 1,080,000,000 frames
"Ads on a Google search are dependent on Google doing badly. If it was giving you the best answer, there’d be no reason ever to buy an ad above it."
searchengineland.com/chatgpt-ads-....
searchengineland.com/chatgpt-ads-....
ChatGPT ads are coming – and they won’t look like Google Ads
OpenAI CEO Sam Altman says Google’s ad model profits when search fails – and vows ChatGPT will take a different approach to ads and commerce.
searchengineland.com
November 9, 2025 at 6:16 AM
"Ads on a Google search are dependent on Google doing badly. If it was giving you the best answer, there’d be no reason ever to buy an ad above it."
searchengineland.com/chatgpt-ads-....
searchengineland.com/chatgpt-ads-....
Reposted by Moises Jafet
Our Milky Way galaxy disk is not really flat...
"Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why".
🧪 #Science #Space #Astronomy
Our Milky Way’s Warped Disk Keeps Getting Weirder
www.scientificamerican.com/article/why-...
"Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why".
🧪 #Science #Space #Astronomy
Our Milky Way’s Warped Disk Keeps Getting Weirder
www.scientificamerican.com/article/why-...
November 7, 2025 at 2:05 PM
Our Milky Way galaxy disk is not really flat...
"Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why".
🧪 #Science #Space #Astronomy
Our Milky Way’s Warped Disk Keeps Getting Weirder
www.scientificamerican.com/article/why-...
"Observations show the disk of our galaxy is not flat but warped and waving. Astronomers are still working out the reasons why".
🧪 #Science #Space #Astronomy
Our Milky Way’s Warped Disk Keeps Getting Weirder
www.scientificamerican.com/article/why-...
Reposted by Moises Jafet
Also a big problem for physics professors
The beauty backfire effect: Being too attractive can hurt fitness influencers, new research shows
Pretty isn’t always profitable.
theconversation.com
November 6, 2025 at 3:53 AM
Also a big problem for physics professors
Reposted by Moises Jafet
A typical European car is parked 92% of the time. It spends 1/5th of its driving time looking for parking. Its 5 seats only move 1.5 people. 86% of its fuel never reaches the wheels, and most of the energy that does, moves the car, not the people.
Sound efficient?
HT @ellenmacarthurfdn.bsky.social
Sound efficient?
HT @ellenmacarthurfdn.bsky.social
November 4, 2025 at 10:33 PM
A typical European car is parked 92% of the time. It spends 1/5th of its driving time looking for parking. Its 5 seats only move 1.5 people. 86% of its fuel never reaches the wheels, and most of the energy that does, moves the car, not the people.
Sound efficient?
HT @ellenmacarthurfdn.bsky.social
Sound efficient?
HT @ellenmacarthurfdn.bsky.social
Reposted by Moises Jafet
Amazon opens a new 10,000-square-foot automated Whole Foods store in Pennsylvania partly staffed by robots; customers can scan and order items from the aisles (Matt Day/Bloomberg)
Main Link | Techmeme Permalink
Main Link | Techmeme Permalink
November 5, 2025 at 4:50 PM
Amazon opens a new 10,000-square-foot automated Whole Foods store in Pennsylvania partly staffed by robots; customers can scan and order items from the aisles (Matt Day/Bloomberg)
Main Link | Techmeme Permalink
Main Link | Techmeme Permalink
Reposted by Moises Jafet
Really pleased that the Spanish version of 'How Learning Happens' is finally coming out.
@paulkirschner.bsky.social @olicav.bsky.social @akaleditor.bsky.social
akal.com/libro/como-s...
@paulkirschner.bsky.social @olicav.bsky.social @akaleditor.bsky.social
akal.com/libro/como-s...
November 4, 2025 at 6:55 PM
Really pleased that the Spanish version of 'How Learning Happens' is finally coming out.
@paulkirschner.bsky.social @olicav.bsky.social @akaleditor.bsky.social
akal.com/libro/como-s...
@paulkirschner.bsky.social @olicav.bsky.social @akaleditor.bsky.social
akal.com/libro/como-s...
"Stability AI, whose directors include the Oscar-winning film-maker behind Avatar, James Cameron, successfully resisted a claim from Getty Images that it had infringed the international photo agency’s copyright." www.theguardian.com/media/2025/n...
AI firm wins high court ruling after photo agency’s copyright claim
Ruling in case brought by Getty Images against Stability AI is seen as a blow to copyright owners
www.theguardian.com
November 4, 2025 at 2:43 PM
"Stability AI, whose directors include the Oscar-winning film-maker behind Avatar, James Cameron, successfully resisted a claim from Getty Images that it had infringed the international photo agency’s copyright." www.theguardian.com/media/2025/n...