What is Retargeting Pixel Strategy?

Have you ever wondered, how come the small advertisements that pop in your Facebook screen is what you are looking for? How does it know that recently you are more interested in the new trendy clothes or you are looking for a new headphone? How does google show the exact topic you are looking for while you are in the middle of writing a topic in the Google search box?

Is it magic?

No, it’s not. It’s Retargeting Pixel. And this retargeting pixel is the new policy followed by the marketers or online merchandise products.