MailVu is a great tool for creating asynchronous interaction in either an online course or as part of a blended learning unit of work. It enables asynchronous interaction with just a web-browser and a webcam or there is a free mobile app that runs on most platforms.
In this document you can find:
-: a step by step guide showing how to use it
-: a video tutorial that you can show to students
-: lots of suggestions and ideas for using it in the classroom or as part of an online course.
If you enjoy this book why not download my award winning Digital Video – A Manual for Language Teachers