Chungho Lee

The author speaks English, Chinese, Japanese, Spanish, French, and Korean, and has extensively researched the acquisition of multiple languages. Additionally, he runs an online academy that teaches seven foreign languages. Based on the results of monitoring the learning process of numerous students, he explains practical methods for language acquisition. The author has also developed an Android app called talkday1, which helps with studying using YouTube subtitles, and is in the process of developing a program for learning from movie subtitles.