Dr. Jan Renz

From slide‑plus‑speaker to a production core in code: speak ideas freely, transcribe, structure, generate with Hyperframes, export as video.

Cloud changes who runs operations – not whether operations is needed at all. A piece on provider responsibility, BSI Grundschutz and C5, fast security rollouts in the AI age, the PCI project, and why good cloud must never cost more than an equivalent on-prem solution.

Hardly anyone still works without AI support — but the agents behind that support usually remain isolated islands, tied to one person and one project. AGENTS.md helps share project knowledge, but only shared skills, shared context, and tools like Buzz from Block turn a collection of individual agents into an actual team.

Fast internet, working Wi-Fi, and enough devices are not the last mile of educational infrastructure. Offerings only arrive at scale once they keep pace on features, onboard people instead of leaving them alone, and are carried by communities.

Choosing an AI model determines quality, cost, latency, and resource use. Instead of leaving users alone with an ever-growing model menu, what’s needed is a lean, transparent routing layer: it classifies requests and, within clear rules, picks the smallest model that fits.