Contest. Chapter 1: Deconstructing tasks and technology / Michael Thomas and Hayo Reinders.-- Part 1: Research on tasks in Call.-- Chapter 2: Research on the use of technology in task-based language teaching.-- Chapter 3: Task-based language teaching in network-based Call: An analysis of research on learner interaction in synchronous CMC.-- Chapter 4: Taking intelligent Call to task.-- Chapter 5: Effects of multimodality in computer-mediated communication tasks.-- Chapter 6: Measuring complexity in task-bases synchronous computer-mediated communication.-- Part 2: Applying technology-mediated tasks.-- Chapter 7: Task design for a virtual learning environment in a distance language course.-- Chapter 8: Teacher development, TBLT and technology.-- Chapter 9. Edubba: Real-world writing tasks in a virtual world.-- Chapter 10. The enactment of task design in telecollaboration.-- Chapter 11. Afterword: future directions for technology-mediated tasks.