This document discusses tools for communication tasks for teachers, categorizing them into community building, cooperative/collaborative learning, and online classes/learning. It provides examples of tools for each category, such as email, blogs, wikis, and scheduling tools for community building, and Google Docs, Edmodo, and multimedia sharing tools for cooperative learning. The document emphasizes evaluating which tool is best suited for specific communication tasks and provides an example comparison matrix analyzing functions of tools like Adobe, Salesforce, Skype and Wiggio.