By using browser cookies or pixel tags, marketers can serve personalized ads to people who visited their website, abandoned carts, or engaged with content.
For example, if someone views a product page but doesn’t buy, they might later see a Facebook or Google Display ad featuring that exact product with a special offer.
Retargeting is highly effective for e-commerce and B2B campaigns because it focuses on warm audiences who already showed interest, often leading to higher ROI than cold prospecting ads.