Advantages and disadvantages of using blogs in the classroom

I believe that use blogs for learning the art would become a not very functional, 
because many have different problems regarding the matter. In my case, 
the pronunciation, and I am quite sure that through these blogs will achieve no 
improvement in that aspect, so I am against the use of this means of learning.

On the other hand, its use and could keep us updated daily dialogue on the matter 
and not wait for arriving on school nights to retake the themes.