The Example of Don Glenn,a Farmer Using His Computer to Compare

The example of Don Glenn,a farmer using his computer to compare data from the previous year's harvest with satellite photos of his farm to know which crops are flourishing is an example of what?

A) the differences in wage rates between rural and urban dwellers
B) the importance of land as a factor of production
C) the benefits of technology
D) managers in Canada motivating employees with large pay raises