Frontmatter -- Contents -- 1. Teaching languages online: the essentials -- 2. Language learning and teaching in oral synchronous online environments -- 3. Language learning and teaching in oral asynchronous online environments -- 4. Oral venues amplified via text and visuals -- 5. Language learning and teaching in written synchronous environments -- 6. Language learning and teaching in written asynchronous environments -- 7. Written venues amplified via sound and visuals -- 8. Continuing the conversation -- Glossary of terms -- Index