A blog is almost like a diary except except that its toward the whole world.Its a really good way to empty out stress and anger and other emotions.Blogs should be used for somthing to do after an assighnment this would be a good way to release stress.or teachers could use it to hand out an assighnment.kinda like what you did to day.You use it to record notes and assighnments.you could use it for reading .itcould be used as an bookmark and good summary thing.you use it to record science expirements.you could use it for an agenda.To abbounce report cards and stuff.