This document provides guidance on using Twitter to build a brand. It notes that Twitter has over 200 million active users who spend around 170 minutes per month on the platform, mostly via mobile devices. The document recommends that brands establish goals and roles for Twitter use, identify and follow relevant targets, create a branded profile, engage in real-time conversations using hashtags, and measure progress over time to reinforce their identity and connect with customers. It also provides tips on when and how often to tweet to maximize engagement.