Rob Hoeijmakers
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ChatGPT Memory Has Quietly Changed (Plus & Pro)
AI in Practice

ChatGPT Memory Has Quietly Changed (Plus & Pro)

If you use ChatGPT Plus or Pro: memory now goes beyond saved preferences. Past conversations can be retrieved when relevant. Business accounts are different.
16 Jan 2026 1 min read
Just eight European quantum computers?
Quantum Computing

Just eight European quantum computers?

When the EU says it is building eight quantum computers, the number sounds precise. It isn’t. This piece explores why that question is harder than it looks.
15 Jan 2026 3 min read
Why WhatsApp Channels Trigger the Digital Services Act
Europe

Why WhatsApp Channels Trigger the Digital Services Act

WhatsApp did not become social media overnight. But Channels added public reach at EU scale. That single design shift is enough to activate the logic of the Digital Services Act.
11 Jan 2026 3 min read
ChatGPT Personal vs Business
AI in Practice

ChatGPT Personal vs Business

If you use ChatGPT both privately and at work, you may have noticed this: one conversation seems to carry on over time, the other keeps resetting. Same system, different behaviour. That difference is deliberate, and it matters.
10 Jan 2026 3 min read
WhatsApp in 2026: From Phone Numbers to Names

WhatsApp in 2026: From Phone Numbers to Names

WhatsApp is introducing usernames. A small change that reshapes identity, privacy, and how people and businesses can be reached without sharing phone numbers.
07 Jan 2026 4 min read
Exploring ISO 42001 and AI governance
AI Governance

Exploring ISO 42001 and AI governance

As I dive deeper into EU AI regulation, ISO 42001 keeps surfacing. This piece explores what it is, how certification works, and why it matters for vendors.
05 Jan 2026 5 min read
The limits of “unlimited” mobile data
Europe

The limits of “unlimited” mobile data

Unlimited data rarely means the same thing twice. At home, abroad, or on eSIMs, the limits shift. This piece maps where they actually are.
05 Jan 2026 4 min read
Everyday life runs on daily data

Everyday life runs on daily data

Mobile data, roaming and fibre form one system. We only start to notice it when circumstances change.
04 Jan 2026 6 min read
Typography, in motion

Typography, in motion

In modern cars, text is no longer read but registered. Letters function like icons, designed for saccades, speed, and cognitive restraint.
03 Jan 2026 3 min read
Colour, systems, and the moment it clicked

Colour, systems, and the moment it clicked

A Japanese colour book, a digital-first brand, and a late encounter with Pantone led me to finally understand why print colour always felt confusing.
02 Jan 2026 5 min read
AI literacy: from definition to practice
Future of Work

AI literacy: from definition to practice

AI literacy rarely shows up as a skill gap. It appears when organisations need to justify decisions, manage risk, and remain accountable.
30 Dec 2025 5 min read
Kobo and Kindle solve different problems

Kobo and Kindle solve different problems

For a long time, I treated Kobo and Kindle as roughly the same thing: e-readers with different ecosystems. Only when I started using them side by side did it become clear that they are built around very different setups. Not different features. Different models. Once you see that, the
30 Dec 2025 3 min read
Word of the year: model

Word of the year: model

The word model comes from modulus, Latin for ‘measure’. It refers to simplified representations we use to make sense of reality, from maps to AI systems.
29 Dec 2025 5 min read
Direct Debit: US versus EU

Direct Debit: US versus EU

A viral US video warns against debit cards. The real difference, however, lies in how direct debit works in America versus Europe, and why that matters.
28 Dec 2025 4 min read
Blogging year in Review 2025

Blogging year in Review 2025

A short reflection on writing, learning, and making deliberate choices in a year where the digital ground kept shifting.
27 Dec 2025 4 min read
The Hot Potato of Compliance
AI Governance

The Hot Potato of Compliance

From GDPR to the EU AI Act, a recurring pattern emerges: European regulation lands in procurement, spreading responsibility, caution, and friction.
18 Dec 2025 3 min read
Why AI Image Editing Is Often Rebuilding

Why AI Image Editing Is Often Rebuilding

AI can make true pixel edits, but many image “fixes” work by reconstruction. Typography and colourisation expose where rebuilding replaces editing.
12 Dec 2025 5 min read
Understanding the layers behind digital payments
Europe

Understanding the layers behind digital payments

A continuation of my exploration of digital payments, looking at how different layers relate and how the Mollie–GoCardless story helps illuminate the broader picture.
11 Dec 2025 5 min read
Apple Pay, Apple Wallet, Apple Card: How Apple Reshaped How Money Flows

Apple Pay, Apple Wallet, Apple Card: How Apple Reshaped How Money Flows

While writing about how money flows, a simple confusion between Apple Pay and Apple Wallet exposes the hidden layers of modern payments and power.
07 Dec 2025 3 min read
How Money Moves
Europe

How Money Moves

A new payment feature raised a bigger question: how does money actually move today? From wallets and card networks to regulation, this is a map of a system most of us never see.
07 Dec 2025 4 min read
Europe Fines X: The Moment the DSA Became Real
Europe

Europe Fines X: The Moment the DSA Became Real

I’ve been learning the DSA as it unfolded. With Europe’s first fine against X, the law steps out of abstraction and into the real world.
07 Dec 2025 5 min read
Structuring Knowledge with Obsidian

Structuring Knowledge with Obsidian

Discovering how Obsidian, Markdown and a light taxonomy can reveal the hidden structure of five years of writing and open a path toward knowledge engineering.
05 Dec 2025 3 min read
Qivalis, a New Euro Stablecoin
Europe

Qivalis, a New Euro Stablecoin

A new euro stablecoin from Europe’s major banks shifts stablecoins from the margins into the financial system and strengthens the euro’s digital foundations.
04 Dec 2025 5 min read
When the Future Starts Knocking Quietly
Quantum Computing

When the Future Starts Knocking Quietly

What feels like a tech abstraction today may end up rewriting our notions of trust, identity and privacy sooner than we expect. The quantum future has begun.
04 Dec 2025 3 min read
Making Content Ready for Intelligence
AI in Practice

Making Content Ready for Intelligence

Unstructured content already holds the knowledge organisations rely on. The shift is learning how to reveal its structure so intelligent systems can use it.
02 Dec 2025 4 min read
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