A Marketer's Quick Guide to Dynamic Ads Remember when you'd go to the mall, see something you liked, but then leave without it? Then you’d leave the mall and think about it the whole drive home, wondering if you made the right decision until you forgot about it. That was until you saw someone else with the exact item we wanted. Ah, the good ol’ days. Today, you can’t leave an item in your cart without it following you everywhere online. Who do we have to thank for that? Technically, a lot of people – marketers, retargeting tools, Al Gore’s internet – but for the purpose of this article, we’ll focus on one: dynamic ads.