There are may ways to get to know new people by the same interests you have. some ways include:
- Start a focus group on a subject that is of interest to you on Facebook -Invite your friends and ask them to invite their friends and so on...
- Send out a message with a link to your blog to your friends and ask them to pass it on and make comments..
- Use the marketing pay per click ads on Facebook ( its this new thing I recently read about, if this is of interest I could dig out some info and write more on this subject)
- Tweet messages on Twitter that are currently the hot topics being discussed,t his will get people to your profile and then to your blog and further communication with you!