You may already have a facebook 'profile' for personal use, but have you considered using a facebook 'page' for your business? If you are not sure how (or why), read on...
The following short video by facebook summarises just some of the possibilites available with a facebook page.
Mashable.com have recently put together a clear and easy to follow tutorial on how to set up a business page:
The facebook help centre answers the common questions about business pages including creating, editing and administering your page: