Seven ways to promote your business online that won't cost you a dime:

Here are seven ways to promote your business online that won't cost you a dime:

1. Use the three big local listing services. ...

2. Embrace social media. ...

3. Start a blog. ...

4. Put up multimedia on YouTube and Flickr. ...

5. SEO your company website. ...

6. Press releases. ...

7. Join a relevant online community and contribute.