What does it take to be a Quadblogger?

Quadblogger?  What is this quadblogging you speak of?  I ran across this term in an

Edublogs email.  I had to know more. It's a great idea. 

Having a class blog is a great idea, but what fun is it if you don't have an authentic audience? This makes that happen. 

• First of all, there is a site: http://www.quadblogging.com/.  

"Since its conception more and more teachers from across the globe have used Quadblogging to gain a genuine audience for their learners. Whether you are a Nursery teacher in Nigeria or an University Lecturer in Uruguay, Quadblogging will Quad you and your learners up with three other classes matching your preferences selected in the sign up process."

• It looks to be mostly English speaking countries, but I haven't dug in too far on that. 
• Here is a teachers blog post about her experience:  Quadblogging How To
• Here's an article from Edutopia   QuadBlogging Connects Student Writers with Global Audiences

Is anyone doing this? 

Just Wonderin'
Lee Anne