Explore the fundamentals of social network analysis in this comprehensive lecture from the Alan Turing Institute. Delve into key concepts such as the strength of weak ties, hydari imbalance, homophily, and obedience to authority. Learn about network data types, whole and partial networks, degree, connectivity, motifs, and community detection. Discover various network visualization techniques and software tools used in the field. Gain insights from Bernie Hogan, an expert in social network analysis, as he shares his research on personal social networks and the interplay between online and offline connections. Understand the historical context and current applications of social network analysis in this informative 70-minute presentation.