Posterous. I used it a few days after it was launched public and thought it was just anther blogging platform. I hardly paid much attention. After an year or t

Posterous. I used it a few days after it was launched public and thought it was just anther blogging platform. I hardly paid much attention. After an year or two the service started to gain traction when some famous bloggers moved to Posterous. I still don't use it but it certainly has grown big.