1. Digital culture allows people to develop identities through online mediums like social networks, where users can identify with groups, categorize themselves, and compare to others.
2. Online activities allow users to create multiple identities to express parts of themselves or create idealized identities not possible offline.
3. As society digitizes, the line between reality and the digital world blurs, shaping how people define themselves through online surveillance and self-monitoring on sites like blogs and social networks.