1. rhesus factor-a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Rh, Rh factor.. rhesus factor-a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia. Rh, Rh factor.
Retargeting is an online advertising technique that uses cookies to anonymously follow visitors of your website after they leave your page, while they browse the web or navigate to other websites. The pixel or piece of code that makes this possible is added to the visitorâs browser and is not noticeable.
One of the most powerful optimizing levers that we see in a retargeting campaign is segmenting your audience. People who go to different areas of your site should be exposed to different marketing messages, and some people you might not want to target at all. With Google remarketing ads that is very difficult to do.