This document discusses identifying target social media audiences, including humans, groups, and businesses. It identifies three types of audiences: personal human pages, groups with specific interests, and business pages with specific purposes. The document recommends posting to these different audiences to reach them, including posting to one's own business page, pushing posts to related groups, posting to other related business walls, and messaging other related businesses. The overall goal is to use social media to identify target audiences and spread content virally to those audiences.