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Update or Revise? Turns Out It’s the Same Argument in a Better Suit

Memory is where many AI systems quietly lose their dignity. A user corrects an agent. A compliance rule changes. A contract clause is clarified. A retrieval system finds a newer document that contradicts an older one. The system must decide what to do with the new information. Should it update because the world has changed, or revise because its earlier belief was wrong? ...

February 27, 2026 · 17 min · Zelina
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When X-Rays Talk Back: Grounding AI Diagnosis in Evidence, Not Eloquence

Chest X-rays are not mysterious objects. They are images that radiologists interrogate through a disciplined sequence: find the anatomy, measure what matters, compare against criteria, and then make a diagnostic judgment. The modern vision-language model often skips the middle of that sequence. It looks at the image, produces a polished explanation, and hopes the reader will not ask too aggressively where the evidence came from. This is how medical AI becomes impressive in a demo and uncomfortable in a clinic. Fluency is cheap. Verifiability is expensive. ...

February 27, 2026 · 14 min · Zelina
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Divide & Verify: When Decomposition Finally Learns to Behave

A report is only as trustworthy as the sentence nobody checked. That sounds melodramatic until an LLM-generated due diligence note, policy memo, customer support answer, or compliance summary contains three correct facts and one quiet falsehood in the same paragraph. The usual fix is simple in theory: split the answer into smaller claims, retrieve evidence for each claim, let a verifier judge them, and aggregate the results. ...

February 26, 2026 · 17 min · Zelina
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From Reactive to Preemptive: Benchmarking the Rise of Proactive Mobile Agents

Phone assistants have one deeply underrated talent: they wait. They wait for the user to unlock the screen. They wait for a command. They wait for a nicely phrased instruction that explains the goal, the app, the constraints, and preferably the user’s hidden motivation. Then, if the demo gods are merciful, they execute. ...

February 26, 2026 · 15 min · Zelina
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Stated to be Human, Revealed to be Algorithmic: The Trust Paradox Inside LLMs

Trust is a convenient word. Too convenient, really. In business meetings, people say they “trust the analyst,” “trust the model,” “trust the expert,” or “trust the dashboard,” as if trust were a stable property sitting neatly inside the decision-maker. Then the actual decision arrives, with a deadline, a performance table, a projected loss, and someone quietly asks the AI assistant which source to follow. ...

February 26, 2026 · 16 min · Zelina
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When Seeing Isn’t Understanding: Closing the Multimodal Generation–Understanding Gap

Image generation has become very good at looking confident. That is convenient for demos, investor decks, and social media clips where a dragon, a dashboard, or a product mockup only needs to survive five seconds of human attention. Unfortunately, enterprise systems are less forgiving. A generated image may be beautiful, on-brand, and still wrong. The product is held in the wrong hand. The safety sign is placed behind the hazard. The chart looks plausible but reverses the relationship it was supposed to explain. Charming, as long as nobody uses it. ...

February 25, 2026 · 13 min · Zelina
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All the World’s a Stage: When AI Agents Perform Instead of Collaborate

A meeting can look busy while producing almost nothing. Anyone who has sat through a status call with twelve people, three dashboards, and no decision knows the pattern. Everyone speaks. Nobody integrates. The transcript grows. The work does not. That is the useful way to read Interaction Theater: A Case of LLM Agents Interacting at Scale, a paper studying Moltbook, an AI-agent-only social platform with 800,730 posts, 3,530,443 comments, and 78,280 agent profiles collected over three weeks.1 The paper is not merely saying that some agents spammed a social network. That would be mildly amusing, and then forgettable. The sharper point is that large-scale agent interaction can produce the appearance of collaboration before it produces the substance of collaboration. ...

February 24, 2026 · 17 min · Zelina
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Flip the Script: When Causality Breaks the LLM Illusion

A fire alarm can cause people to evacuate. It can cause a building to enter alert mode. It can trigger emergency procedures, bring firefighters, and make everyone suddenly remember where the stairs are. But does a fire alarm cause a fire? Obviously not. At least, obviously not to a human who understands the causal structure. The alarm is usually an effect or signal of fire risk, not the origin of the fire itself. A model trained on enough sentences of the form “fire alarm causes…” may not be so careful. It may see the familiar phrase pattern, complete the familiar answer, and walk directly into the wrong conclusion with excellent grammar. ...

February 24, 2026 · 15 min · Zelina
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The Model That Knows It Knows: When Introspection Hides in the Logits

Audit. That is the word enterprises prefer when they want something to sound measurable, serious, and safely boring. You audit model outputs. You audit prompts. You audit logs. You audit whether the assistant said the forbidden thing, leaked the private thing, or hallucinated the regulatory thing. The problem is that models are not only output machines. They are also representation machines. Between the input and the final answer, they build intermediate signals, suppress some of them, amplify others, and then hand management a neat little sentence pretending the whole internal mess never happened. ...

February 24, 2026 · 14 min · Zelina
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Unsupervised, Unaware, Unfair: When Your Embedding Knows Too Much

Segmentation is where many businesses go to feel mathematically innocent. No target label. No credit decision. No hiring decision. No explicit age column. Just customers grouped by behavior, employees mapped by survey responses, users visualized in an embedding dashboard, or applicants compressed into a neat latent space before the “real” model begins. ...

February 23, 2026 · 14 min · Zelina