This document summarizes Thomas Vander Wal's presentation on understanding social comfort to improve social tool adoption. It discusses how social comfort has three parts - comfort with people, tools, and content. It also examines how to build comfort with people through sharing experiences and transparency. For tools, it explores how features like open sharing can impact comfort levels. Finally, it analyzes how personal issues may be more difficult to discuss due to impacts on social comfort. The goal is to understand social comfort better to enhance adoption of social technologies.