If one doesn't know how they are being traced, it could lead to various forms of distress and unrest. Take for example, the anxious person who enjoys baking. If they were anxious because they didn't know how they were being traced, they might start thinking their whisk was being used to trace them. This may then put the off baking altogether.
In the circular flow model, the market economy creates continuous, repetitive flows of goods and services, resources and money. In this model, households spend income in the product market. According to the circular flow model, households buy the goods and services that businesses make available in the product market. Moreover, In the circular flow model, businesses will buy resources from and sell products to households and other businesses. In this way: The function of businesses in the circular flow model is purchase resources and sell products.
I believe the answer is: Spatial intelligence
Spatial intelligence is the part of our intelligence that granted us with the ability to comprehend three dimensional objects. This would determine our ability to solve puzzles, pinpoint object location from different perspective, and ability to understand mechanical process.<span />