What is the purpose of a blog? What pros and cons do you see about blogs? Are they safe? Why/Why not. Explain how blogs could be used as an educational tool?

The purpose of a blog would be, to express your thought on different subjects. The pros i see about blogs are sometimes there important. The cons would be that sometimes there not always nice things, and arent real. Blogs are not always safe, because anyone can read them at anytime. Blogs can be used as an educational tool because you can get information thats useful for anything for school, work, anything you need help on.