This document discusses using social media, particularly Twitter, in education. It notes that Twitter grew from sending 5,000 tweets per day in 2007 to 335 million tweets per day in 2012. The document explains how Twitter works, emphasizing that tweets are public messages limited to 140 characters that users decide whom to follow. It provides best practices for using Twitter in education, such as building relationships by listening, responding, asking questions, posting interesting links, and interacting with a friendly tone. Finally, the document encourages educators to engage with social media like LinkedIn and Twitter to connect with others and share relevant information about their work.