A great way to promote your business is to give a class. You can create a workshop or class and give it at a local community center. You could also give a presentation to an existing class.
community
Linked In
Linked IN is a very interesting online community where you can connect to other business people based on common associations, industry, education, etc. It’s hard to describe but free to setup, so check it out.
Take a look at my profile on Linked In and become a connection of mine.