Progress in manufacturing is measured by the production of high quality goods. The unit of progress for Lean Startups is validated learning-a rigorous method for demonstrating progress when one is embedded in the soil of extreme uncertainty.

The goal of a startup is to figure out the right thing to build-the thing customers want and will pay for-as quickly as possible. In other words, 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.

There is much that public policy can do to support American entrepreneurs. Health insurance reform will make it easier for entrepreneurs to take a chance on a new business without putting their family's health at risk. Tort reform will make it easier to take prudent risks on new products in a number of sectors.

Sustainable growth is characterized by one simple rule: New customers come from the actions of past customers.

A Start Up is an institution designed to thrive in the soil of extreme uncertainty

Entrepreneurs can't forecast accurately, because they are trying something fundamentally new. So they will often be laughably behind plan - and on the brink of success.

A solid process lays the foundation for a healthy culture, one where ideas are evaluated by merit and not by job title.