Final answer:
Behavioral retargeting is when online ads are personalized based on a user's past website visits. Using user data, it provides targeted messaging, a technique that became prominent in political campaigns in the early 21st century.
Step-by-step explanation:
When an online ad is delivered to a person's computer based on previous websites that person has visited, it is called e. behavioral retargeting. This method uses data about its users' past viewing habits to make predictions about their future viewing behavior. It taps into the increased importance and power of the Internet and social media campaign strategies which have been recognized by political candidates.
By analyzing personal data, advertisements can be narrowcasted to target specific demographics, similar to commercial practices that evolved from the growth of cable television networks and were epitomized during the elections of 1992, 2004, and particularly 2008 with Senator Barack Obama's campaign who excelled at using the Internet to reach and engage voters.