Questions about blogging in the classroom

Darren Kuropatwa has created this VoiceThread as a public way to answer questions about blogging in the classroom posed to him by April Luemann. He invites others to add comments to the VoiceThread. (Daren teaches Math in Secondary school. His current blogs are Consumer Math 20S (Fall '07), Pre-Cal 40S (Fall '07) and AP Calculus AB ('07-'08). Links to his past class blogs are here.)

1a. What are your goals for blogging with your class?
1b. How are these goals different from when you first started blogging with your class?
2. How did you present and explain the intended use of blogging to your students?
3. Did you notice any particular time in your blogging when you remember thinking "Blogging is accomplishing what I had hopped (and maybe more)?" Explain.
4. Were there any interesting or surprising experiences with respect to blogging with your students?
5. These are some the things the literature on blogging claims are potential benefits. Which of these is important to you?