Marcel Klein – Thoughts on AI, Digital Strategy & Technology

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When DIY Tech Becomes Life-Changing: A Journey with Diabetes and Open Source

When DIY Tech Becomes Life-Changing: A Journey with Diabetes and Open Source

Years of sleepless nights and constant monitoring defined life for friends whose young daughter has Type 1 Diabetes. Using the open‑source Android APS with Nightscout, we transformed her care stabilizing blood sugar, building her independence, and proving how technology can truly change lives.

From Knowledge Worker to AI Agent Manager

artificial intelligence

From Knowledge Worker to AI Agent Manager

AI agents aren’t replacing knowledge workers - they’re changing their role. In the future of work, every professional will also be an AI Agent Manager, orchestrating digital assistants to achieve more, faster, and at higher quality.

Remember when every new iPhone keynote felt like a glimpse into the future?

artificial intelligence

Remember when every new iPhone keynote felt like a glimpse into the future?

With GPT-5, it’s clear we’ve left the peak of the hardware S-Curve behind and are now accelerating up the software-driven curve of AI innovation.

Your First Contact with AI - The One Prompt That Can Change How You Work

artificial intelligence

Your First Contact with AI - The One Prompt That Can Change How You Work

Your first real AI prompt - turn AI into a work consultant and get tailored ideas. Inspired by Stanford’s Jeremy Utley.

How to Focus on What Matters Every Day

How to Focus on What Matters Every Day

Feeling like you're constantly busy but not really moving forward? Discover a practical method to reclaim your focus, inspired by the Make Time framework by Jake Knapp and John Zeratsky.

AI Agents: From Chat Windows to Autonomous Action

artificial intelligence

AI Agents: From Chat Windows to Autonomous Action

AI agents are redefining what it means to interact with technology. Beyond chat interfaces, they’re becoming autonomous, proactive — and voice-first. Here’s why I think this shift is a game-changer.

Presenting your internal pitch to potential customers

Bypass bottlenecks: Validate your project idea through internal pitches

Cut through corporate red tape by pitching your project ideas directly to internal stakeholders. Learn how Daniel Priestley’s CAOS model can help you validate demand without building first — and turn internal interest into real momentum.

White-Collar and Blue-Collar Workers in a Changing Workforce

White-Collar and Blue-Collar Workers in a Changing Workforce

As workforce shortages rise and technology blurs the lines between white- and blue-collar jobs, it’s clear that both groups are essential to success. We need to respect their roles equally and focus on upskilling for the future.

5 simple reasons you should publish your first blog post

5 simple reasons you should publish your first blog post

If you're struggling to hit "publish" on your first blog post, reading my five reasons to start this blog maybe will give you that final kick to get started.