Coursera, Udacity and edX

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Feb 11, 2013 16:46 English Science Taditional Culture Education
They are a kind of online programs.
They are called Massive Open Online Courses (MOOC).
I knew them on the article in the newspaper last week.
It was sound wonderful because I could study university classes in my house.
Therefore, I started Udacity and took a class of Statistics.
It was good to study both the subject and English for me.

I heard it's now very popular, and controversial in America because it might destroy the importance of existence of Universities.
Is it right?