Once a team is set up, what should it do? What process should it use? How should it be held accountable to performance milestones? - Eric Ries

In the twenty-first century, we face a new set of problems that Taylor could not have imagined. Our productive capacity greatly exceeds our ability to know what to build.

the paid engine of growth is powered by a feedback loop. Each customer pays a certain amount of money for the product over his or her “lifetime” as a customer. Once variable costs are deducted, this usually is called the customer lifetime value (LTV). This revenue can be invested in growth by buying advertising.

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.