Marcelo Tibau
@marcelotibau.bsky.social
AI researcher with a PhD in Applied Informatics. Exploring web search behaviors, knowledge transfer, and AI in information retrieval. Passionate about learning.
🤖✨ The Samantha Effect
Chatbots that feel personal.
Insights that feel unique.
But what if none of it actually is?
New essay on AI, psychological profiling, and the risk of intellectual homogenization:
👉 marcelotibau.substack.com/p/the-samant...
#AI #Chatbots #Substack #DigitalCulture
Chatbots that feel personal.
Insights that feel unique.
But what if none of it actually is?
New essay on AI, psychological profiling, and the risk of intellectual homogenization:
👉 marcelotibau.substack.com/p/the-samant...
#AI #Chatbots #Substack #DigitalCulture
The Samantha Effect: How AI Chatbots Are Pushing Us Toward Uniform Thought
A few months ago, I came across several Reddit and LinkedIn posts where users enthusiastically shared personality profiles generated by AI.
marcelotibau.substack.com
July 17, 2025 at 8:08 PM
🤖✨ The Samantha Effect
Chatbots that feel personal.
Insights that feel unique.
But what if none of it actually is?
New essay on AI, psychological profiling, and the risk of intellectual homogenization:
👉 marcelotibau.substack.com/p/the-samant...
#AI #Chatbots #Substack #DigitalCulture
Chatbots that feel personal.
Insights that feel unique.
But what if none of it actually is?
New essay on AI, psychological profiling, and the risk of intellectual homogenization:
👉 marcelotibau.substack.com/p/the-samant...
#AI #Chatbots #Substack #DigitalCulture
🧠 The Samantha Effect
What if your favorite chatbot is guiding millions to the same conclusion, without anyone realizing it?
A deep dive into adaptive language, psychological profiling, and intellectual leveling in AI:
👉 medium.com/@marcelo_tib...
What if your favorite chatbot is guiding millions to the same conclusion, without anyone realizing it?
A deep dive into adaptive language, psychological profiling, and intellectual leveling in AI:
👉 medium.com/@marcelo_tib...
The Samantha Effect: How AI Chatbots Are Pushing Us Toward Uniform Thought
A few months ago, I came across several Reddit and LinkedIn posts where users enthusiastically shared personality profiles generated by AI…
medium.com
July 17, 2025 at 8:05 PM
🧠 The Samantha Effect
What if your favorite chatbot is guiding millions to the same conclusion, without anyone realizing it?
A deep dive into adaptive language, psychological profiling, and intellectual leveling in AI:
👉 medium.com/@marcelo_tib...
What if your favorite chatbot is guiding millions to the same conclusion, without anyone realizing it?
A deep dive into adaptive language, psychological profiling, and intellectual leveling in AI:
👉 medium.com/@marcelo_tib...
🧠✨ O Efeito Samantha
Chatbots que nos conhecem melhor do que nós mesmos. E se eles estiverem nos guiando para as mesmas conclusões?
Novo texto no ar:
👉 tibau.org/2025/07/17/o...
#IA #Chatbots #Psicologia #Tecnologia #AIethics
Chatbots que nos conhecem melhor do que nós mesmos. E se eles estiverem nos guiando para as mesmas conclusões?
Novo texto no ar:
👉 tibau.org/2025/07/17/o...
#IA #Chatbots #Psicologia #Tecnologia #AIethics
O Efeito Samantha: Chatbots, perfis psicológicos e o risco de todos pensarmos igual
Há alguns meses li algumas postagens de usuários do Reddit e do LinkedIn que publicaram entusiasmados seus próprios perfis de personalidade gerados por uma IA. Foi algo que me chamou atenção à époc…
tibau.org
July 17, 2025 at 5:04 PM
🧠✨ O Efeito Samantha
Chatbots que nos conhecem melhor do que nós mesmos. E se eles estiverem nos guiando para as mesmas conclusões?
Novo texto no ar:
👉 tibau.org/2025/07/17/o...
#IA #Chatbots #Psicologia #Tecnologia #AIethics
Chatbots que nos conhecem melhor do que nós mesmos. E se eles estiverem nos guiando para as mesmas conclusões?
Novo texto no ar:
👉 tibau.org/2025/07/17/o...
#IA #Chatbots #Psicologia #Tecnologia #AIethics
🌞🏖️🎭 Happy 460 years, Rio de Janeiro! From the iconic Christ the Redeemer to the samba-filled streets of Lapa, the Marvelous City keeps captivating the world with its beauty, culture, and energy. Parabéns, Rio! 🎉💙 #Rio460 #CidadeMaravilhosa
March 1, 2025 at 6:12 PM
🌞🏖️🎭 Happy 460 years, Rio de Janeiro! From the iconic Christ the Redeemer to the samba-filled streets of Lapa, the Marvelous City keeps captivating the world with its beauty, culture, and energy. Parabéns, Rio! 🎉💙 #Rio460 #CidadeMaravilhosa
February 22, 2025 at 11:37 PM
🚨⚽🔥 Bate-papo essencial sobre o futuro do Flamengo!
Benny Kessel e Paulo Mantuano, candidatos da Chapa Independência Rubro-Negra ao Conselho Fiscal do Mengão! 🏆🔴⚫
Confira as propostas! 📺👇
🔗 www.youtube.com/live/s_YR6_d...
#Flamengo #CRF #ConselhoFiscal
Benny Kessel e Paulo Mantuano, candidatos da Chapa Independência Rubro-Negra ao Conselho Fiscal do Mengão! 🏆🔴⚫
Confira as propostas! 📺👇
🔗 www.youtube.com/live/s_YR6_d...
#Flamengo #CRF #ConselhoFiscal
Eleições do Conselho Fiscal - Entrevista: Benny Kessel e Paulo Mantuano
YouTube video by MundoBola Flamengo
www.youtube.com
February 21, 2025 at 8:59 PM
🚨⚽🔥 Bate-papo essencial sobre o futuro do Flamengo!
Benny Kessel e Paulo Mantuano, candidatos da Chapa Independência Rubro-Negra ao Conselho Fiscal do Mengão! 🏆🔴⚫
Confira as propostas! 📺👇
🔗 www.youtube.com/live/s_YR6_d...
#Flamengo #CRF #ConselhoFiscal
Benny Kessel e Paulo Mantuano, candidatos da Chapa Independência Rubro-Negra ao Conselho Fiscal do Mengão! 🏆🔴⚫
Confira as propostas! 📺👇
🔗 www.youtube.com/live/s_YR6_d...
#Flamengo #CRF #ConselhoFiscal
A Margem Equatorial e o suicídio ecológico do Brasil - Assine a petição! chng.it/Y5cGH9tnP6 via @change_br
Assine o Abaixo-assinado
A Margem Equatorial e o suicídio ecológico do Brasil
chng.it
February 20, 2025 at 6:48 PM
A Margem Equatorial e o suicídio ecológico do Brasil - Assine a petição! chng.it/Y5cGH9tnP6 via @change_br
🏈Nessa semana de Super Bowl, acabei de publicar "Uma jogada imparável e um relógio sem fim", onde exploro a relação entre estratégias do futebol americano e o Relógio do Juízo Final. Confira: updateordie.com/2025/02/05/u...
Uma jogada imparável e um relógio sem fim - Update or Die!
Quanto mais próximo da meia-noite, mais iminente seria a extinção da humanidade.
updateordie.com
February 6, 2025 at 6:00 PM
🏈Nessa semana de Super Bowl, acabei de publicar "Uma jogada imparável e um relógio sem fim", onde exploro a relação entre estratégias do futebol americano e o Relógio do Juízo Final. Confira: updateordie.com/2025/02/05/u...
🚀 Dive into the world of AI safety! My latest essay, Evaluating AI Alignment and Scheming in Advanced AI Systems, explores the critical challenges of aligning AI behavior with human values. 🌐🔍 #AISafety #AIAlignment medium.com/@marcelo_tib...
Evaluating AI Alignment and Scheming in Advanced AI Systems
This essay introduces foundational concepts in AI alignment and scheming, explaining their relevance and interconnections within the…
medium.com
January 21, 2025 at 7:37 PM
🚀 Dive into the world of AI safety! My latest essay, Evaluating AI Alignment and Scheming in Advanced AI Systems, explores the critical challenges of aligning AI behavior with human values. 🌐🔍 #AISafety #AIAlignment medium.com/@marcelo_tib...
🚀 Dive into the world of AI safety! Our latest essay, Evaluating AI Alignment and Scheming in Advanced AI Systems, explores the critical challenges of aligning AI behavior with human values. From "saints" to "schemers," learn why proactive governance is key. 🌐🔍 open.substack.com/pub/marcelot...
Evaluating AI Alignment and Scheming in Advanced AI Systems
This essay introduces foundational concepts in AI alignment and scheming, explaining their relevance and interconnections within the broader context of AI safety.
open.substack.com
January 21, 2025 at 7:23 PM
🚀 Dive into the world of AI safety! Our latest essay, Evaluating AI Alignment and Scheming in Advanced AI Systems, explores the critical challenges of aligning AI behavior with human values. From "saints" to "schemers," learn why proactive governance is key. 🌐🔍 open.substack.com/pub/marcelot...
🚀✨ Em meu novo artigo no Update or Die, exploro como os LLMs estão enfrentando desafios que vão além da simples ampliação de dados.
Leia mais: updateordie.com/2024/12/25/l...
InteligênciaArtificial #LLMs #Inovação
Leia mais: updateordie.com/2024/12/25/l...
InteligênciaArtificial #LLMs #Inovação
LLMs: o muro já é um espelho - Update or Die!
Em novembro, escrevi sobre como os Large Language Models (LLMs) pareciam estar batendo em um muro. Meu texto, “Chegamos ao ponto de retorno decrescente dos LLMs, e agora?”, explorou os desafios de esc...
updateordie.com
December 26, 2024 at 3:37 PM
🚀✨ Em meu novo artigo no Update or Die, exploro como os LLMs estão enfrentando desafios que vão além da simples ampliação de dados.
Leia mais: updateordie.com/2024/12/25/l...
InteligênciaArtificial #LLMs #Inovação
Leia mais: updateordie.com/2024/12/25/l...
InteligênciaArtificial #LLMs #Inovação
Check out my latest Substack post! 📝⚾️ marcelotibau.substack.com/p/artificial...
December 12, 2024 at 7:03 PM
Check out my latest Substack post! 📝⚾️ marcelotibau.substack.com/p/artificial...
🌍🤖 *Can AI replicate nature's indifference?*
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: open.substack.com/pub/marcelot...
#AIethics #ArtificialIntelligence #Philosophy
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: open.substack.com/pub/marcelot...
#AIethics #ArtificialIntelligence #Philosophy
Artificial Indifference
In the previous essay (The Artificial Other), we explored how the risks associated with artificial intelligence often mirror elements of human hubris, much like Timothy Treadwell’s ill-fated immersion...
open.substack.com
December 12, 2024 at 7:01 PM
🌍🤖 *Can AI replicate nature's indifference?*
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: open.substack.com/pub/marcelot...
#AIethics #ArtificialIntelligence #Philosophy
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: open.substack.com/pub/marcelot...
#AIethics #ArtificialIntelligence #Philosophy
🌍🤖 *Can AI replicate nature's indifference?*
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: medium.com/@marcelo_tib...
#AIethics #ArtificialIntelligence #Philosophy
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: medium.com/@marcelo_tib...
#AIethics #ArtificialIntelligence #Philosophy
Artificial Indifference
In the previous essay (The Artificial Other), we explored how the risks associated with artificial intelligence often mirror elements of…
medium.com
December 12, 2024 at 7:00 PM
🌍🤖 *Can AI replicate nature's indifference?*
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: medium.com/@marcelo_tib...
#AIethics #ArtificialIntelligence #Philosophy
In my latest essay, "Artificial Indifference," I explore the ethical challenges of AI systems that, like nature, operate without inherent morality.
Read here: medium.com/@marcelo_tib...
#AIethics #ArtificialIntelligence #Philosophy
🚀 LLMs: The Wall Is Now a Mirror 🧠
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: marcelotibau.substack.com/p/llms-the-w...
#AI #LLMs #GenerativeAI
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: marcelotibau.substack.com/p/llms-the-w...
#AI #LLMs #GenerativeAI
LLMs: The Wall Is Now a Mirror
From The Information — Dec 5th 2024
marcelotibau.substack.com
December 6, 2024 at 3:06 PM
🚀 LLMs: The Wall Is Now a Mirror 🧠
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: marcelotibau.substack.com/p/llms-the-w...
#AI #LLMs #GenerativeAI
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: marcelotibau.substack.com/p/llms-the-w...
#AI #LLMs #GenerativeAI
🚀 LLMs: The Wall Is Now a Mirror 🧠
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: medium.com/@marcelo_tib...
#AI #LLMs #GenerativeAI
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: medium.com/@marcelo_tib...
#AI #LLMs #GenerativeAI
LLMs: The Wall Is Now a Mirror
Back in November, I wrote about how Large Language Models (LLMs) seem to be hitting a wall. My piece, “LLMs Are Hitting the Wall: What’s…
medium.com
December 6, 2024 at 3:05 PM
🚀 LLMs: The Wall Is Now a Mirror 🧠
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: medium.com/@marcelo_tib...
#AI #LLMs #GenerativeAI
In my latest piece, I revisit the limits of Large Language Models and dive into insights on the hype vs. reality of generative AI. Are we ready to rethink AI beyond the wall? 🔍
🔗 Read here: medium.com/@marcelo_tib...
#AI #LLMs #GenerativeAI
🌍🤖 No meu mais recente texto, "Indiferença Artificial", exploro os paralelos entre a indiferença da natureza e os riscos de sistemas de IA que operam sem fundamentos éticos. Leia mais: updateordie.com/2024/12/04/i... #ÉticaEmIA #Filosofia #InteligênciaArtificial
Indiferença Artificial - Update or Die!
Os riscos da IA frequentemente refletem elementos da arrogância humana, muito parecido com o encontro malfadado de Timothy Treadwell com a natureza selvagem em “O Homem Urso" (Grizzly Man, no original...
updateordie.com
December 4, 2024 at 3:12 PM
🌍🤖 No meu mais recente texto, "Indiferença Artificial", exploro os paralelos entre a indiferença da natureza e os riscos de sistemas de IA que operam sem fundamentos éticos. Leia mais: updateordie.com/2024/12/04/i... #ÉticaEmIA #Filosofia #InteligênciaArtificial
📚 Excited to share my latest publication in Library and Information Science Research!
Our study explores the potential of ChatGPT as a tool for information searching, shedding light on its capabilities and implications for research practices.
Read the full article here: lnkd.in/dd7tgU4G
Our study explores the potential of ChatGPT as a tool for information searching, shedding light on its capabilities and implications for research practices.
Read the full article here: lnkd.in/dd7tgU4G
LinkedIn
This link will take you to a page that’s not on LinkedIn
lnkd.in
December 2, 2024 at 5:12 PM
📚 Excited to share my latest publication in Library and Information Science Research!
Our study explores the potential of ChatGPT as a tool for information searching, shedding light on its capabilities and implications for research practices.
Read the full article here: lnkd.in/dd7tgU4G
Our study explores the potential of ChatGPT as a tool for information searching, shedding light on its capabilities and implications for research practices.
Read the full article here: lnkd.in/dd7tgU4G
🌌 What happens when we encounter an AI as "Other"?
In The Artificial Other, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿
#AI #Philosophy #ArtificialIntelligence
open.substack.com/pub/marcelot...
In The Artificial Other, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿
#AI #Philosophy #ArtificialIntelligence
open.substack.com/pub/marcelot...
The Artificial Other
Exploring Alterity and AI Risk Through a Philosophical Lens
open.substack.com
December 2, 2024 at 3:18 PM
🌌 What happens when we encounter an AI as "Other"?
In The Artificial Other, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿
#AI #Philosophy #ArtificialIntelligence
open.substack.com/pub/marcelot...
In The Artificial Other, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿
#AI #Philosophy #ArtificialIntelligence
open.substack.com/pub/marcelot...
🌌 What happens when we encounter an AI as "Other"?
In this essay, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿 Dive in on: medium.com/@marcelo_tib...
#AI #Philosophy #ArtificialIntelligence
In this essay, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿 Dive in on: medium.com/@marcelo_tib...
#AI #Philosophy #ArtificialIntelligence
The Artificial Other
Exploring Alterity and AI Risk Through a Philosophical Lens
medium.com
December 2, 2024 at 3:10 PM
🌌 What happens when we encounter an AI as "Other"?
In this essay, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿 Dive in on: medium.com/@marcelo_tib...
#AI #Philosophy #ArtificialIntelligence
In this essay, I explore how philosophy, nature, and AI risk intertwine—challenging us to rethink our relationship with intelligent machines.
🤖🌿 Dive in on: medium.com/@marcelo_tib...
#AI #Philosophy #ArtificialIntelligence
Adriano’s letter to his favela is one of the most powerful and heartfelt pieces I’ve ever read. A story of love, struggle, and identity that transcends football. Obrigado, Imperador, for sharing your truth. 🖤 #Adriano #ThePlayersTribune 🔗 www.theplayerstribune.com/adriano-lett...
A Letter to My Favela | By Adriano
Vila Cruzeiro is my place.
www.theplayerstribune.com
November 14, 2024 at 6:18 PM
Adriano’s letter to his favela is one of the most powerful and heartfelt pieces I’ve ever read. A story of love, struggle, and identity that transcends football. Obrigado, Imperador, for sharing your truth. 🖤 #Adriano #ThePlayersTribune 🔗 www.theplayerstribune.com/adriano-lett...
🚀📰 Conheça a Presto, a newsletter do meu amigo Martim Vasques da Cunha (@martimvasques)! Filosofia, política, e liberdades digitais discutidas por um dos grandes pensadores brasileiros. 🌎📚
Martim é doutor em Ética e Filosofia Política. martimvasques.substack.com?r=gjvm6&utm_...
Martim é doutor em Ética e Filosofia Política. martimvasques.substack.com?r=gjvm6&utm_...
Presto | Martim Vasques da Cunha | Substack
First things first. Click to read Presto, by Martim Vasques da Cunha, a Substack publication with thousands of subscribers.
martimvasques.substack.com
October 8, 2024 at 4:38 PM
🚀📰 Conheça a Presto, a newsletter do meu amigo Martim Vasques da Cunha (@martimvasques)! Filosofia, política, e liberdades digitais discutidas por um dos grandes pensadores brasileiros. 🌎📚
Martim é doutor em Ética e Filosofia Política. martimvasques.substack.com?r=gjvm6&utm_...
Martim é doutor em Ética e Filosofia Política. martimvasques.substack.com?r=gjvm6&utm_...
heck out my latest Substack post! 📝⚾️ marcelotibau.substack.com/p/reminiscen...
September 27, 2024 at 3:39 PM
heck out my latest Substack post! 📝⚾️ marcelotibau.substack.com/p/reminiscen...
Check out my latest Substack post! 📝⚾️ I explore the memories and legacies of Ebbets Field and the Polo Grounds, and their impact on NYC and baseball history. ⚾️🏙️ #BaseballHistory #EbbetsField #PoloGrounds #NYCHistory 👉 substack.com/home/post/p-...
Reminiscences Under the Lights of Ebbets Field and the Polo Grounds
You may not know this, but I'm a huge baseball fan.
substack.com
September 27, 2024 at 3:26 PM
Check out my latest Substack post! 📝⚾️ I explore the memories and legacies of Ebbets Field and the Polo Grounds, and their impact on NYC and baseball history. ⚾️🏙️ #BaseballHistory #EbbetsField #PoloGrounds #NYCHistory 👉 substack.com/home/post/p-...
Confira meu último post em Update or Die! 📝⚾️ Nele, mergulho nas memórias e legados do Ebbets Field e do Polo Grounds, explorando seu impacto na cidade de Nova York e na história do baseball. ⚾️🏙️ #EbbetsField #PoloGrounds #HistóriaDeNYC #NostalgiaEsportiva
👉 updateordie.com/2024/09/25/r...
👉 updateordie.com/2024/09/25/r...
Reminiscências sob a luz do Ebbets Field e do Polo Grounds - Update or Die!
Possivelmente você não sabe, mas sou um grande fã de baseball. Não sei dizer exatamente quando ou por que essa mania começou, talvez por causa da minha inclinação natural para a estatística, mas acont...
updateordie.com
September 26, 2024 at 3:35 PM
Confira meu último post em Update or Die! 📝⚾️ Nele, mergulho nas memórias e legados do Ebbets Field e do Polo Grounds, explorando seu impacto na cidade de Nova York e na história do baseball. ⚾️🏙️ #EbbetsField #PoloGrounds #HistóriaDeNYC #NostalgiaEsportiva
👉 updateordie.com/2024/09/25/r...
👉 updateordie.com/2024/09/25/r...