This document categorizes different types of people in media and provides explanations. It distinguishes between people in media, who are media practitioners that provide information from their expertise, and people as media, who are well-versed in media sources and can provide reliable information. Some types of people as media include opinion leaders, who influence others' interpretations of media; citizen journalists, who create news content without professional training; and crowdsourcing, which obtains content or services from a large group.