Step #1: A BUSINESS CREATES AN AD
Lets say you have a restaurant or any business, you can create a Facebook page by going to the top menu on Facebook page, as shown in the picture above. When you create your page on Facebook, you can now request friends to like your page and also post adverts or pictures on it. Then from there, those pictures or articles posted can be advertised with $5 or more by boosting the post or promoting the whole page.
Step #2: FACEBOOK GETS PAID TO DELIVER THE AD
When you send your ad to Facebook it displays it to the people who are at your location or world wide depending on how much you pay and your description of who you want to view the ad
Step #3: THE RIGHT PEOPLE SEE THE AD
Facebook shows people living in your town or location the ad