How to enhance the lecture presentation by blogging..

How to enhance the lecture presentation by blogging??Maybe it's very hard,but if you have an authentic purpose, I think you can successful to enhance the lecture.
So in my opinion, the method which enhance by blogging is as follow:
Increase the lecture content. The content must pellucid and clear. If the blog just have the article, it's very boring, so if the blog add some video and other else, i think it's better.The content must often update.
The blog must have a goal. When you set the goal, you must write more articles and don’t write other irrespective articles.
The blog add some practices. The student can use the practices to learn more knowledge. And the teacher can know the degree of the student's learning.
You can set a communication place. The communication place can contact the teacher and the student. In the 21century, more student in China didn't like to ask the question to their teacher. So if you set a communication place,the student can put their question in the blog. And the teacher can see and solve the student's question.
Many way can help you enhance the lecture presentation by blogging. "Do it at the pains." Using your heart to do it, you can successful.