Whether this page is useful to you depends largely on how widely you advertise.
If you are in a big city, this is probably helpful, or if you advertise nationally or internationally. If you only sell your product or service locally, this may not be of help.
This is a list of websites on which you can pay to be blogged about. You can pay a blogger to review your product or service, get a text link to help your search engine optimization, and build your business.