This startup is using AI to give workers a "productivity score"

Now, one firm wants to take things even further. It is developing machine-learning software to measure how quickly employees complete different tasks and suggest ways to speed them up. The tool also gives each person a productivity score, which managers can use to identify those employees who are most worth retaining--and those who are not. How you feel about this will depend on how you view the covenant between employer and employee. Is it okay to be spied on by people because they pay you?