Virtual learning broadens horizon

Online courses are getting increasingly popular, Zhang Yue explores their growing appeal in China

Wang Yue, a 25-year-old in Shanghai, keeps shifting between being a teacher during the week and being a student on the weekends, since he learned about "Coursera" a year ago.

At that time, he was teaching in a private English training school in Shanghai and earned a "pretty good salary". But he felt dull and insecure.