When important decisions need to be made at WBG Construction, CEO Greg Burrill asks all employees with relevant knowledge or a stake in the outcome for their thoughts. This collaborative approach recently led to a decision that not only sold a house but also inspired a new floor plan that appealed to a whole new segment of buyers. This is an example of _____________.

a. hierarchical control
b. knowledge management
c. enabling heroes and drones
d. employee empowerment