The Daily Index — Friday, March 27, 2026 · TLDR Index

NEWS & TRENDS

TLDR Product

TLDR Product

WHAT IT ACTUALLY TAKES TO TRUST AI WITH YOUR DATA

Summary unavailable

opinionatedintelligence.substack.com · 7 min

TLDR Product

HOW A BEHAVIORAL SCIENTIST WOULD DESIGN A FINTECH APP (8 MINUTE VIDEO)

Great products align with human behavior, not just features. Focus on core values, create commitment, and make actions simple, engaging, and actionable.

kristenberman.substack.com

TLDR Product

HOW A FORMER RUNESCAPE DESIGNER BUILT A CULT HIT PRODUCT

Build product-market fit by focusing on the right users, measuring what matters, and refining based on real feedback. Prioritize quality, delight, and pricing discipline over growth at all costs.

speedrun.substack.com · 5 min

TLDR Product

HERE'S HOW TO BECOME AN AI PM (72 MINUTE PODCAST)

Becoming an AI PM requires strong judgment in choosing problems, tools, and context—not just technical skills. Build real products, understand core AI systems, and focus on practical application over theory.

news.aakashg.com

TLDR Product

HOW TO BUILD A PMF MACHINE

Product-market fit comes from disciplined prioritization, not more features. Focus on metrics, rank ideas by impact versus effort, and iterate quickly with tight feedback loops.

speedrun.substack.com · 4 min

TLDR Product

AI DIDN'T KILL PRODUCT INTUITION. IT EXPOSED WHO NEVER HAD IT

Great product intuition is spotting bad ideas early, not picking winners. Use AI as a skeptic to pressure-test assumptions before committing time and resources.

productparty.us · 4 min

TLDR Product

SCALING EXPERIMENTATION QUALITY AT BOOKING.COM

High-quality experimentation requires clear metrics, strong defaults, and shared ownership. Embedding quality into tools and workflows improves reliability and better product decisions at scale.

booking.ai · 6 min

TLDR Product

9 AXIOMS OF INTERPERSONAL COMMUNICATION

Nine core communication truths reveal what people fundamentally want and can be used to design more effective interactions.

shreyasdoshi.substack.com · 2 min

TLDR Product

AI CODING ASSISTANTS HAVEN'T SPED UP DELIVERY BECAUSE CODING WAS NEVER THE BOTTLENECK

AI speeds up coding, but delivery is still limited by specification and verification.

infoq.com · 2 min