How facebook search engine works
So say you own a website for selling bikes wouldn't you want to be at the top of the facebook search engine?
All you have to do is make a facebook fan page and get tons of likes and you will start to see 100s of people per day come to your website from your facebook fan page.
Facebook fan pages can generate 1000s of people to your site a day.
One more tip is to have your facebook fan page with a username do this by going to your fan page and clicking the edit page button. Now on the left side you will see basic information click that and you will be able to give your fan page a username url so your facebook page page will look like this facebook.com/yoursite instead of facebook.com/yoursite/4395803809
This will improve your google search results and be easier for people to remember your fan page url
You can even get your facebook fan page ranked #1 on google for your keywords! there is no end to how powerful facebook can be to get your site traffic and customers..