Use quality content that could broadcast information to a wide audience. In turn that audience and whomever they are linked to will receive it.
By using the fan feature people can become a fan of your product and it will automatically appear on their news feed. It eliminates the need to send out a lot of notifications as people will automatically get what you post once on your page.
Forums can be created on fan pages allowing people to exchange their ideas and opinions. People love to give their opinions and this allows for that exchange of ideas.
Using the tools of networking, companies can reach people in a way that costs nothing.
The Photos application can be used to showcase products allowing potential customers an opportunity to see what they can purchase.
