I do agree with the first reading blogging is a good chat concept for classroom discussion. Maybe not so much for younger students but for high school and college students it works wonders. People tend to speak more freely through chat than in the classroom. It is a good, fun, interesting way to get your students involved not only with you but each other. As the second reading states the computer can also often be misused.
 That is one of the reasons why i say it will be better for older students. Younger students want to do things like play games and get help with their homework on the computer not have intelligent conversation. Although there is an exception to every rule. There are both some young and older children who are out there posting bad blogs about people on the web making it look bad for all students. Face it web blogging is getting better with practice.