THE SMART TRICK OF MAKE MONEY ONLINE, FREE WEBSITE TRAFFIC, AFFILIATE PROGRAMS, EMAIL MARKETING, AFFILIATE MARKETING, FREE WEBSITE PROMOTION, EASYHITS4U.COM THAT NO ONE IS DISCUSSING

When the visitor goes to Fb or engines like google the cookie allows the System to show them an advert. You will need a certain pixel for virtually any System that you'd like to implement retargeting advert campaigns on. So there is a Fb pixel for Fb advertisements, Google pixel for Adwords, and so on. although there are various possible resources