Final answer:
The key difference between 'old power' and 'new power' is that old power structures are hierarchical and controlled by a few, while new power is participatory and distributed among many individuals or networks.
Step-by-step explanation:
Reflecting on Jeremy Heimans' concepts of "old power" and "new power", the key difference between these two power structures is how power is held and exercised. Old power is held by a few, is hierarchical, and is maintained by few individuals or institutions.
In contrast, new power is made by many, and it is participatory and peer-driven; it is not held but rather shared and spread across networks of people, often through technology and social media. This correlates with the sociological frameworks like functionalism, which focuses on shared goals and cooperation, and conflict theory, which emphasizes competition for resources, power, and influence among social groups.