This document discusses an individual's "web shadow", which is defined as the combination of their online owned presence (social media profiles, blogs, websites) and their earned presence (what others say about them online). It emphasizes the importance of managing one's web shadow by being the primary source of information about oneself online, being present in relevant networks, and drawing clear lines between private and public information. The document provides tips for individuals such as conducting regular "sanity searches" about themselves and mapping their online networks.