Mario Luis Small is Quetelet Professor of Social Science at Columbia University. He is an expert on inequality, poverty, networks, and the relationship between qualitative and quantitative methods. His most recent books include Unanticipated Gains: Origins of Network Inequality in Everyday Life, Someone To Talk To: How Networks Matter in Practice, and Personal Networks: Classic Readings and New Directions in Egocentric Analysis. Jessica McCrory Calarco is Associate Professor of Sociology at Indiana University. She is an expert on inequalities in family life and education, as well as on qualitative methods. She is the author of Negotiating Opportunities: How the Middle Class Secures Advantages in School and A Field Guide to Grad School: Uncovering the Hidden Curriculum.