Mooresville’s laptops perform the same tasks as those in hundreds of other districts: they correct worksheets, assemble progress data for teachers, allow for compelling multimedia lessons, and let students work at their own pace or in groups, rather than all listening to one teacher. The difference, teachers and administrators here said, is that they value computers not for the newest content they can deliver, but for how they tap into the oldest of student emotions — curiosity, boredom, embarrassment, angst — and help educators deliver what only people can. Technology, here, is cold used to warm.