As you could read from your textbook, machine translation (MT) has been linked to language learning and CALL in general from its beginnings. Nowadays, you could find multiple applications in the web, to elaborate dictionaries o even to produce software for grammar checking.
To know more about this, visit this article from the Wikipedia, read something more about its history, professional software and many other external links.
Try to visit any of the sites suggested here and leave us your own oppinion about the use of MT in language learning. Do you think it is actually effective? Is is worthwhile using a web-based translator to present your academic papers? Do you think that MT has evolved enough from the publication of your textbook?