The document discusses research on identity performances and sociability in social network sites. It provides an overview of key topics like personal profiles, friend lists, and how online and offline social worlds intersect. Preliminary findings show that users strategically disclose some information to curate their profiles while retaining privacy over other details. Friend lists are also managed selectively, though not always in line with stated privacy preferences. The researchers argue for studying these issues in the broader context of networked individualism and sociability across online and offline domains.