LOL! I have received emails a million questions. I guess I was a bit vague in my original post. lol
No, you don't need to be a "writer" to join. Everyone has business stories and business advice... If you have great business tips, advice about what works what doesn't.. you can write about something exciting that happened or something you need to gripe about.
The 100 authors can mention their business and link at the end of each blog post. ;)
as I get more questions I will post the answers here.