Triberr is a service that extends the reach of your blog posts. I've been using it for a week and a half, and my posts have gotten on average three times the hits they used to get. It's a free service/network.
I've started a tribe for bloggers who write (not exclusively) about issues or causes. Autism, special needs, politics, social issues, activism... etc.
If you'd like an invite, just let me know! It's based on a twitter platform, so you have to be following me for me to send you an invite- @bcmgsupermommy
Hope to see you there!