Entrepreneurship is not really building a product, it's not having an idea, it's not being in the right place at the right time. It's fundamentally company building.

Vanity metrics are the numbers you want to publish on TechCrunch to make your competitors feel bad.

The attributes for entrepreneurs cut both ways. You need the ability to ignore inconvenient facts and see the world as it should be and not as it is. This inspires people to take huge leaps of faith. But this blindness to facts can be a liability, too. The characteristics that help entrepreneurs succeed can also lead to their failure.

A pivot is a change in strategy without a change in vision.

The Lean Startup has evolved into a movement that is having a significant impact on how companies are built, funded and scaled.

In the old economy, it was all about having the answers. But in today’s dynamic, lean economy, it’s more about asking the right questions. A More Beautiful Question is about figuring out how to ask, and answer, the questions that can lead to new opportunities and growth.

Except in very narrow cases, where there's breakthrough science that needs patent production, worrying about competitors is a waste of time. If you can't out iterate someone who is trying to copy you, you're toast anyway.