Why would it be important to understand performance management technology and e-compensation?

As an HR professional why would it be important to understand performance management technology and e-compensation?

Specifically tell me some of the positives and negatives of performance management technology.

Lastly, tell me about ONE of the four e-compensation objectives listed in our reading material and also tell me about the e-compensation tools that were recommended to address the objective that you picked. (see attachment for this question)