Social Networking

I have been working to get the baby, naturally LLC name integrated into the various social networking sites so that we can easily spread news about sales, new products, specials, etc.  So far, here is what is up and running:

• The Blog (obviously!)
  
• Twitter (@babynaturally-or click the button in the left blog column)
• Mailing List  (click icon below to join!)

• Facebook (just added a fan page tonight!  See left hand column of blog to become a fan, or search baby, naturally LLC on Facebook!)

What am I missing?  Are there any other big name social networking sites I need to know about?