Unfortunately, most customer retargeting today is done by blunt force. Targeting companies simply serve ads to consumers who might be interested based on demographics, click behavior and browsing history. They hit these same consumers with the same ads for days on end as they travel around the web.
But there is another way. It involves using data modeling and predictive analytics to do real-time precision targeting. With the newest ad targeting methods, you can reach highly-specific audiences such as “middle-income people in northeast Michigan in the immediate market for designer gravestones,” or “owners of English Bulldogs whose pets have arthritis and are looking for warm dog booties.” – HOW TO: Target Ads Without Stalking Customers on the Web