This document discusses Twitter and new forms of communication. It introduces Antonio Vantaggiato from Universidad del Sagrado Corazón and provides his contact information. The document covers the basics of Twitter, including how to create an account, use @messages, #hashtags, retweets, direct messages, and following other users. It encourages users to find influential people to follow and to ask and answer questions. Tools for using Twitter like TweetDeck and Tweetie are also mentioned. The document is meant to introduce readers to Twitter and its essential functions.