This document discusses synchronous communication tools that can be used in the classroom, including text chat, voice chat, and virtual worlds. It provides an overview of the advantages and disadvantages of these tools, such as engaging students but being reliant on internet connections. Examples of how these tools can be used for language learning activities like role-plays, discussions, and quizzes are also presented. The document encourages teachers to experiment with these tools while considering students' language levels and technical limitations.