Learn to identify influential nodes, detect bottlenecks, and understand how network position creates power in social systems.
You become like those you're connected to. This isn't just folk wisdom—it's network science. Your connections shape who you are, what you believe, and how much influence you have.
Questions to Consider:
🕸️ Network Position = Power: Someone with 1,000 followers who are all highly connected can be more influential than someone with 100,000 poorly connected followers. Quality of connections > quantity.
📊 The Four Centrality Metrics:
Are you investing in depth or chasing breadth?
Who has the MOST connections?
Who BRIDGES different groups?
Who can REACH everyone fastest?
Who knows the most IMPORTANT people?
Which metric matters most?
Each metric reveals different types of power and influence in networks.
What: Number of direct connections
Power: Popularity, visibility, reach
Example: Celebrity with millions of followers
What: Number of shortest paths passing through you
Power: Brokerage, information control, bridging
Example: Translator between two language communities
What: Average shortest path to all other nodes
Power: Speed of spreading, quick access
Example: Airport hub connecting everywhere
What: Connections to other high-centrality nodes
Power: Elite access, quality over quantity
Example: VC who knows all the top founders
Jesus had low degree centrality (12 disciples) but maximum eigenvector centrality (those 12 went on to change the world). The Apostle Paul had high betweenness centrality—bridging Jewish and Gentile communities. Quality of connections mattered more than quantity.
Product launches, announcements, mass awareness. More connections = more eyeballs.
Peace negotiations, cross-cultural work, connecting isolated groups. Bridge nodes control information flow.
Crisis response, urgent coordination, rapid information spread. Minimize hops to everyone.
Fundraising, high-status partnerships, policy change. Access to power brokers matters.
Critical Insight: Ethical network analysis asks: Who has power, and how are they using it? Network metrics reveal hidden influence structures.
Reflect on network power and ethical responsibility.
You've mastered network centrality metrics and can now identify hidden influence structures in social systems.