The facebook allows to promote the business using social network there are many ways to promote the business like creating a group joining other groups for marketing using the pages, walls, events, notes and photos, status, marketplace, messages and facebook feeds.
When entered into the facebook we can see the news feed with the latest updates by keeping the business issue in the feed and by posting in that we can do the market and by using the email messages to be social network as the facebook provides messaging it can possible.
By keeping the pictures and by discussions can share the photos for the products of any events are organised onabusiness we can invite the network using facebook.
The pages allows for presentation and wall for post and these are all can be implemented for marketing business.