The document discusses using Twitter and Voicethread in the classroom. It provides definitions of key Twitter terms like handles and hashtags. It suggests topics teachers can have students tweet about, such as class news, discussions, and word problems. Voicethread is described as allowing users to upload images and comment online to create interactive discussions. Ways teachers can use Voicethread include for presentations, collaborative projects, and to promote online learning. Signing up procedures and sharing resources are also outlined.