You have an idea for a business. But... You don't want to build a business based on assumptions. Instead, you want to build a business based on validated assumptions so you're not just going to throw money away. I'm going to explain to you how the Customer Discovery phase of the Customer Development Process can be used to validate your…
How To Validate Product Ideas Before (And After) Building Them
People spend too much time writing software relative to speaking to potential customers, prior to launching and after it. Reversing that is a win.
Customer development
Customer development is a formal methodology for building startups and new corporate ventures. It is one of the three parts that make up a lean startup (business model design, customer development, agile engineering).[1]
Startup Idea Validator 2026 - AI Market Analysis in 120s | IdeaProof
AI startup validator with TAM/SAM/SOM analysis, competitor SWOT, investor-ready plans + AI brand strategy, logo design & marketing creatives. 10 min. Free.
The Customer Discovery Handbook
This is a practioner's guide to conducting design research on personas, needfinding, value, and usability.
V_labs 4 Phases: Validate
In venture building, validation is key. We test hypotheses and prototype business ideas to ensure successful market fit and growth.
Building what customers need, not just what they ask for - Linear
Notes from our product team on building the tools we use every day.
Free tool download: Customer Discovery Toolkit
The Design Gym's favorite discovery tools from 10+ years of helping organizations design and deliver better customer and employee experiences
Ideal Customer Profile | HSBC Innovation Banking
How do you define your ideal customer profile, learn more in this article from HSBC Innovation Banking
Revenue Models (2026): 19 Different Ways to Make Money [B2B & B2C] - Gust de Backer
So many different revenue models... But, which one fits your business? Over the past few decades, many new revenue models have proven to be profitable. That's why I'm going to show you 16 different revenue models so you can evaluate if there might be a better way to monetize the value you deliver to your customer. Let's start... What is…
On B2B2C Business Models | Andreessen Horowitz
B2B2C companies sell a product or service to a business, gaining customers and/or data from that business that they get to keep and use.
The Mom Test by Rob Fitzpatrick
How to talk to customers & learn if your business is a good idea when everyone is lying to you.
Agents First
Every product is getting a second customer — the human who pays, and the agent who decides. A design framework for building products that AI agents can use as primary consumers.
When to Design for Emergence
Market applications on the long-tail of user needs
