Being able to see what is going on in schools locally and around the world.
Ability to raise important issues and receive informational comments and opinions.(CROSS CULTURAL)
Integrate student learning with the ability to cross all disciplines.
Students learn from reading other students work; how they work out problems and observe others projects.
Class does not have to end when the bell rings, the internet can be accessed any time, any place, any where.
Constant communication with students and their parents.
Students ability to participate and contirbute in a multi-media world.
(ENTHUSIASM AND EMPOWERMENT)
Can be controlled, publically, privately and with limited permission.
Teaching you to think as you write, organize your thoughts and be concise with your words comes to mind.
Right off hand I cannot think of many minuses of blogging, except maybe the opportunity to get lost in exploring others point of view and losing track of time, lack of computer etiquette and security/cultural issues.