1. The document discusses the differences between a public service model and market model for media. The public service model views media as vital for democracy and citizens, not just business, while the market model sees media as goods that respond to consumer demand and supply. 2. It notes that public service broadcasting aims to inform, educate, and entertain all citizens, not just larger spenders, as media are important for democracy. In contrast, the market model treats media as businesses focused on dollars and consumers, not public convenience and necessity. 3. The "public sphere" is discussed as a space for generating ideas that can affirm or challenge government, which legitimizes authority in a democracy. Media have