Dr. Nicholas Christakis will review three classes of interventions involving both offline and online networks that can help make the world better:

1. interventions that rewire the connections between people

2. interventions that manipulate social contagion, facilitating the flow of desirable properties within groups

3. interventions that manipulate the position of people within network structures

This lecture discussed computational and statistical methods used in social networks research, issues of how and why people are socially connected to each other, and the consequences of those connections