HN/reddit/SO came there first, or at least during the boom times when the pieces are still up in the air. After the pieces fell, making a new community without

HN/reddit/SO came there first, or at least during the boom times when the pieces are still up in the air. After the pieces fell, making a new community without a lot of $$$ is difficult, if the purpose is solely community. If however the service provides an additional valuable service , a community can form and grow as more and more users use the service.