Latest product insights

What 'behavioral fidelity' actually means - and why it matters

How we measure whether simulated users behave like real users at blok

How Agentic AI Improves Product Experimentation

Discover how Blok helps teams speed up product development, de-risk new features and reduce dev waste, using AI.

Blok is out of stealth - and we’ve raised $7.5M to rethink how digital products get built

Blok emerges from stealth with $7.5M to transform product development using AI-powered user simulation. Test ideas before launch. No guesswork.

What Does the Future Look like for User Personas?

User personas can be incredibly valuable to bring a voice to your end user but need to evolve to keep up with the scale of data signals and the increasing complexity of digital products.

How AI Will Change the Way We Build Products.

Can the existing product stack cope with an AI-first world? With rising user expectations and the move towards hyper-personalization what will the tools of the future look like?

How Do You Build Trust in AI?

When AI tools fail to account for trust, they can end up being disregarded altogether. From guardrails to human participation, how do we build trust in AI models from the ground up?

How Simulators Help Product Experimentation

Simulators offer numerous benefits to address the failures of traditional product experimentation. Save time, reduce data costs, increase privacy and experiment with greater flexibility.

How to Prioritize Product Experiments

How are product decisions made and how do you prioritize product experiments? Explore common frameworks and approaches from RICE to AI decision intelligence.

Product Experimentation is Broken

Product experimentation is broken - A/B testing has been the industry standard for over a decade but it's led to leaky product departments spending thousands a year on wasted experiments. We explore the alternative - simulated experimentation.