If you don't already have one, set up a Twitter account and "follow" several others. To get more from Twitter, consider installing the free TweetDeck or using the Twitter smartphone app. Follow a diverse group-corporations, executives, pundits, or other organizations. Do you trust that account holders are who they say they are? Why? Which examples do you think use the service most effectively? Which provide the weaker examples of effective Twitter use? Why? Have you encountered Twitter "spam" or unwanted followers? What can you do to limit such experiences? Be prepared to discuss your experiences with your class.