And yet, you are likely an outlier because many people advertise on Facebook and can specifically track sales per impression or click. They can turn off their a

And yet, you are likely an outlier because many people advertise on Facebook and can specifically track sales per impression or click. They can turn off their ads, and sales stop. They can increase their ad spend and sales increase (to a point). This is why they keep using online ads. The results can be pretty instantaneous and trackable.