The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses

by Eric Ries

if management is the problem, chaos is the answer.

Learning, by contrast, is frustratingly intangible.

the Lean Startup is a new way of looking at the development of innovative new products that emphasizes fast iteration and customer insight, a huge vision, and great ambition, all at the same time.

Unfortunately, “learning” is the oldest excuse in the book for a failure of execution.

Validated learning is the process of demonstrating empirically that a team has discovered valuable

Lean thinking defines value as providing benefit to the customer; anything else is waste.

The effort that is not absolutely necessary for learning what customers want can be eliminated. I call this validated learning because it is always

if you cannot fail, you cannot learn.

“Success is not delivering a feature; success is learning how to solve the customer’s problem.”

No amount of design can anticipate the many complexities of bringing a product to life in the real world.

one where ideas are evaluated by merit and not by job title.

The product development team must bring a complete report of the results of its product optimization efforts over time

The business leadership should bring detailed accounts of their conversations with current and potential customers.