Another good option is to use blogs and social networks that you have some control over.
If you're friendsly with a blogger in a similar field you can offer to write and informative article for them to publish. And many sites now incorporate their own social network and a good relationship with them can gain you solid links and access to a community of people.
If you're friendsly with a blogger in a similar field you can offer to write and informative article for them to publish. And many sites now incorporate their own social network and a good relationship with them can gain you solid links and access to a community of people.