People power can take many forms depending on the type of change sought and who holds the power to enact that change. There are two models of power - the traditional "power elite" model where power flows downward from those at the top through institutions, and the "people power" model where power flows upward from the people at the bottom through institutions to power holders. Harnessing people power involves connecting employees to the organization's vision and mission so that each person understands their contribution and feels a sense of purpose and leadership. Leaders who have harnessed people power have created change through various tactics like consumer pressure, corporate pressure, political pressure, raising awareness, organizing, volunteering, crowd-sourcing, donating, and non-