A retailer wants to create urgency for a flash sale that ends in 48 hours. What's the benefit of using a countdown customizer?

A countdown customizer dynamically updates the ad text to show the remaining time until an event, such as a sale ending. This creates a sense of urgency by displaying "X days," then "X hours," and finally "X minutes" as the deadline approaches. This visual cue motivates users to act quickly, which is crucial for flash sales. It does not restrict ads to high-value customers, replace the landing page, or automatically increase Quality Score. Quality Score is influenced by factors like expected click-through rate, ad relevance, and landing page experience, not solely by the presence of a countdown.