focus on the boring stuff: how to measure progress, how to set up milestones, and how to prioritize work. - Eric Ries

Product managers figure out what features are likely to please customers; product designers then figure out how those features should look and feel.

Greg set out to change the QuickBooks development process by using four principles: 1. Smaller teams. Shift from large teams with uniform functional roles to smaller, fully engaged teams whose members take on different roles. 2. Achieve shorter cycle times. 3. Faster customer feedback, testing both whether it crashes customers’ computers and the performance of new features/customer experience. 4. Enable and empower teams to make fast and courageous decisions.

Think big. Start small. Scale fast.