Advantages and Disadvantages of using blog to learn

hello i am mario and this are my Advantages and Disadvantages, i created them whith my opinios about the use of the blogs for learn.

Advantages: the advantages of thisform to learn are

1. Classes can be even more interactive than before.
2. In electronic format without any expense to print them on paper may be submitted.
3. If you have lost a class can recover with an activity up to the blog.
4. Tasks that students forget to bring to school may send it to the blog.
5. Some doubts about some subject teacher (a) will be able to make known to all students on the blog.

Disadvanteges:

1. Students do not have computer or do not have internet access.
2. Not knowing how the blog<br>The master does not visit often the blog.
3. Originally from the blog (system failure) error.
4. Error when uploading or downloading files.
5. The master (a) does not go up any task or activity to the blog.
6. The master (a) updates or makes any file modification and some already do not know it.