Simple. Your Facebook campaign manager at My Little Big Web knows all the ins and outs of the advertising platform and can show you how targeting is determined. We can start from an existing database (your website visitors, customer emails, etc.) and create a specific audience.Your Facebook Ads expert can also create a "similar audience" based on an existing audience by having Facebook search for users who share characteristics with your existing audience. This helps you reach a much larger audience and fine-tune it based on the interactions and results.