Long-Term Memorability On Advertisements
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Marketers spend billions of dollars on advertisements but to what end? At the purchase time, if customers cannot recognize a brand for which they saw an ad, the money spent on the ad is essentially wasted. Despite its importance in marketing, until now, there has been no study on the memorability of ads in the ML literature. Most studies have been conducted on short-term recall (<5 mins) on specific content types like object and action videos. On the other hand, the advertising industry only cares about long-term memorability (a few hours or longer), and advertisements are almost always highly multimodal, depicting a story through its different modalities (text, images, and videos). With this motivation, we conduct the first large scale memorability study consisting of 1203 participants and 2205 ads covering 276 brands. Running statistical tests over different participant subpopulations and ad-types, we find many interesting insights into what makes an ad memorable - both content and human factors. For example, we find that brands which use commercials with fast moving scenes are more memorable than those with slower scenes (p=8e-10) and that people who use ad-blockers remember lower number of ads than those who don't (p=5e-3). Further, with the motivation of simulating the memorability of marketing materials for a particular audience, ultimately helping create one, we present a novel model, Sharingan, trained to leverage real-world knowledge of LLMs and visual knowledge of visual encoders to predict the memorability of a content. We test our model on all the prominent memorability datasets in literature (both images and videos) and achieve state of the art across all of them. We conduct extensive ablation studies across memory types, modality, brand, and architectural choices to find insights into what drives memory.
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