McCannon said that when he consults with social sector leaders, he’ll ask them, What are your priorities when it comes to data and measurement? “And I never hear back ‘It’s important to set up data systems that are useful for people on the front lines.’ Never,” he said. “But that’s the first principle! When you design the system, you should be thinking: How will this data be used by teachers to improve their classrooms? How will this data be used by doctors and nurses to improve patient care? How can the local community use the information?