1. Traditional content regulation involved government licensing, scheduling, and complaints mechanisms as well as single institutional approaches, while digital regulation uses self-regulation with codes of conduct and content ratings/filtering. 2. Self-regulator mechanisms for digital content include voluntary codes of conduct, content ratings and filtering, and zoning/categorizing content, but these approaches face challenges around volume of content, transparency, and over- or under-inclusiveness. 3. Australia uses a content filter that aims to block child abuse, bestiality, euthanasia instructions, and sexual fetishes, but the filter is decided by a private panel, slows internet speeds, and can be easily bypassed