The Delta BlogPage 4
Insights, stories, and updates from Europe's leading startup ecosystem
Your AI Doesn't Know Enough About Your Business
Most organisations start from zero every time they open an AI tool. Fast outputs, articulate responses, completely generic results. The fix isn't better prompting. It's giving your AI something to work with before you ask. That's the shift from prompt engineering to context engineering: building a structured knowledge layer your AI can draw on, not a document dump, but a deliberate representation of how your company works. The organisations getting real value from AI aren't the ones with the best prompts. They're the ones whose AI already knows what it needs to know.
The 2026 Product Stack: What Tools the Smartest Early-Stage Founders Are Actually Using
Too many tools, not enough clarity. The best founders are not building bigger stacks, they are building sharper ones. In 2026, the advantage is not access to software, it is knowing what to use, when to use it, and when to let it go. A well designed product stack is not about complexity or trend chasing. It is about creating leverage while keeping decisions clear, fast, and reversible.
The AI Native Economy: From Software to Services with the 3H Model
For two decades, venture capital believed proprietary software created defensible moats. Today, that moat is dry. The next era belongs to founders who abandon software licensing and deploy autonomous agents to sell outcomes, not tools. Here's the framework to identify which service verticals are ripe for disruption.
The Future of Startup Events: Creating Experiences, Not Just Agendas
Startup events are no longer about packed agendas and scheduled networking. Founders are looking for experiences that create real connection and momentum. This piece explores how experience design, environment, and community are reshaping what meaningful events look like.
The 5 Things Most Founders Forget When Moving Into Their First Office (And Why They Matter)
Your first office might look complete, but that does not mean it works. From acoustics to layout to infrastructure, small oversights quickly compound once teams start working together. This piece breaks down the patterns that quietly create friction and how to design a space that actually supports how teams operate.
What Crisis Reveals: How Johannes Reck Led GetYourGuide Through the Pandemic
When the pandemic brought global travel to a complete stop, GetYourGuide CEO Johannes Reck faced the ultimate leadership test. At Gründerszene × The Delta, he shared how radical transparency, scenario planning, and a united team helped the company survive a crisis that took its revenue from €200 million to zero in just four weeks.
Unit Economics 101: The Financial Logic Investors Expect You to Understand Before Fundraising
Most founders delay unit economics. Not because they do not matter, but because they feel uncertain. But investors are not looking for perfect numbers. They are looking for clear thinking. This piece breaks down how unit economics reveal whether your business actually works and what founders need to understand earlier than they think.
Custom Development Isn’t Dead: Why Startups Still Need Real Engineers in an AI-First World
There is a growing belief that AI will make custom software development obsolete, but in reality, it is making strong engineering more critical than ever. While AI accelerates how code is generated, it cannot replace the judgment, architectural thinking, and long term responsibility required to build reliable systems. The real advantage lies in a hybrid approach where AI handles speed and repetition, and engineers focus on structure, scalability, and decision making. At The Delta, this balance is key to building products that are not just fast to launch, but designed to last.
