A machine at the front of a store tracks the number of people entering and leaving at all points during the day in order to provide hi-traffic data to management.
A) people watching people
B) people watching phenomena
C) machines watching people
D) machines watching phenomena
E) none of the above

Question

Quizplus · Accepted Answer

The machine is the one doing the tracking, meaning it is monitoring and watching the people entering and leaving, making it "machines watching people."

A Machine at the Front of a Store Tracks the Number