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AI Rollout at a Mid-Sized Company: What 5 Real Cases and the Data Show

Krisztian Eyssen, Krisztian Eyssen

AI Rollout at a Mid-Sized Company: What 5 Real Cases and the Data Show

One 2025 study says 95% of rollouts fail. Another has three quarters of companies already seeing a return. Same year, same subject. This post is not the story of an invented company: it looks at documented cases and measured research — including the places where they contradict each other.

Intermediate Business owner Case study Business, Law & Security

Sep 13, 2026

Document Processing and Accounting with AI

Krisztian Eyssen, Krisztian Eyssen

Document Processing and Accounting with AI

One question decides whether invoice scanning is worth it: **does the tax authority give you back your supplier's data, or only your own.** In Hungary it does, in Spain it does not — and that makes the same software redundant in one place and the only input in the other. Here is the formula to work it out: at a fifteen-euro hourly cost the credit pays for itself at **29 seconds** saved — so price is not the question.

Odoo Intermediate Business owner Recipe Business, Law & Security

Sep 13, 2026

AI Inside Your ERP: What Can the Built-In Intelligence Actually Do?

Krisztian Eyssen, Krisztian Eyssen

AI Inside Your ERP: What Can the Built-In Intelligence Actually Do?

The first question is not what it can do but whether it is there at all: **Community has no AI, Enterprise 18 has none either, 19 has it — but the default assistant cannot modify data.** What is there is not an Odoo model either: OpenAI or Gemini runs behind it, and on your own server your own key is mandatory. The vendor publishes no accuracy figure anywhere.

Odoo Intermediate Business owner Tool review Business, Law & Security

Sep 13, 2026

Copyright and AI: Training Data, Output, Your Rights

Krisztian Eyssen, Krisztian Eyssen

Copyright and AI: Training Data, Output, Your Rights

The first case of its kind before the Court of Justice of the European Union was referred by a **Hungarian court** — and there is still no ruling. Germany's federal supreme court heard the training-data case in September and signalled that it may send the question to Luxembourg too. What has been decided: a Munich judgment holds that copyright is infringed even when the training happened in the United States.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

Prompt Injection and Data Leaks, Seen from the Business Side

Krisztian Eyssen, Krisztian Eyssen

Prompt Injection and Data Leaks, Seen from the Business Side

In Google DeepMind's own measurement, the same model showed an 18% attack success rate on the standard test and **94.6%** when the attacker knew what the defence was. There is no complete solution — the researchers say so themselves. What there is: a handful of architectural decisions a ten-person company can also make.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

GDPR and AI: What Can You Feed a Chatbot?

Krisztian Eyssen, Krisztian Eyssen

GDPR and AI: What Can You Feed a Chatbot?

The European Data Protection Board has said it plainly: a model is not automatically anonymous just because it is a model. And two national regulators, the Hungarian and the Spanish, have **not a single** published decision about an AI chatbot between them — so when someone says "our regulator has ruled on this", ask them where. What does exist: seven questions to work through in order, before you type anything in.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

Labelling AI Content: The Transparency Rules

Krisztian Eyssen, Krisztian Eyssen

Labelling AI Content: The Transparency Rules

It has been mandatory since 2 August 2026, and there is an official EU icon set for it — free to download, three icons. But the icon on its own is not compliance, the metadata disappears at the first screenshot, and the "satire" exception only protects you under the AI Act, not under data protection law. An Italian regulator's decision showed exactly that.

Intermediate Marketer How-To Business, Law & Security

Sep 13, 2026

The EU AI Act: What Applies to You Today

Krisztian Eyssen, Krisztian Eyssen

The EU AI Act: What Applies to You Today

It entered general application six weeks ago, and it was rewritten in the meantime: the high-risk rules slipped to December 2027, the transparency duties did **not**. Two new prohibitions arrive in December. And the fact most people get wrong: the market surveillance authority is not the data protection authority.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

Do Not Swap the Tool, Redesign the Workflow

Krisztian Eyssen, Krisztian Eyssen

Do Not Swap the Tool, Redesign the Workflow

Three quarters of the high-performing companies fundamentally redesigned their workflows; among the rest it was one quarter. A threefold gap — but that is self-reporting, not causal proof. The experimental measurements, on the other hand, all point the same way: the effect of AI comes through the way work is organised, not through the properties of the tool.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

Measuring AI ROI – and Why Most Companies Cannot See It

Krisztian Eyssen, Krisztian Eyssen

Measuring AI ROI – and Why Most Companies Cannot See It

In the same quarter, one survey found that 95% of companies see zero return, another that three quarters of them see a positive one. Both are executives reporting on themselves. And one rigorous measurement showed that the feeling and the reality are **40 percentage points** apart. Once you know that, you already know what you have to do differently.

Intermediate Business owner Explainer Business, Law & Security

Sep 13, 2026

Keeping the Knowledge Base Fresh

Krisztian Eyssen, Krisztian Eyssen

Keeping the Knowledge Base Fresh

A measurement built on 96 thousand question-answer pairs and 219 thousand documents found that the mere presence of outdated content causes, according to the study, **at least a 20% drop in performance**, with some models doing worse than chance. But the most important finding is not the number: **models stay appropriately uncertain when they find nothing — and are confidently wrong when they find something stale.** An empty knowledge base is less dangerous than an old one.

Intermediate Business owner How-To Data, RAG & Self-Hosted AI

Sep 13, 2026

A Company Knowledge Chatbot: A Realistic Plan

Krisztian Eyssen, Krisztian Eyssen

A Company Knowledge Chatbot: A Realistic Plan

An airline's chatbot gave the wrong rules for its bereavement fare. The company's defence was that it is not responsible for "information provided by its agents, including a chatbot" — and it floated the idea that **the chatbot is a separate legal entity**. The court's answer is one sentence worth printing out: **"It makes no difference whether the information comes from a static page or from a chatbot."** The damages came to $812. The precedent is not so cheap.

Intermediate Business owner Recipe Data, RAG & Self-Hosted AI

Sep 13, 2026

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