https://www.youtube.com/watch?v=HHNagtIfV9Y
Transcript of the video.

Extensive reading is an approach to the teaching of language which involves the students reading a lot of books that are easy and interesting and that they choose. Even though we say extensive reading is an approach to the teaching of reading, we've discovered through a bunch of research studies that it also helps the other areas of language development - reading, writing, listening, and speaking, and also the affective dimens...