The article basically mentions this. "That may be the wrong place to look for improvements in productivity. The service sector might be more promising. In high

The article basically mentions this. "That may be the wrong place to look for improvements in productivity. The service sector might be more promising. In higher education, for example, the development of online courses could yield a productivity bonanza, allowing one professor to do the work previously done by legions of lecturers. Once an online course has been developed, it can be offered to unlimited numbers of extra students at little extra cost."