Instead of fake countdowns or misleading scarcity messages, the interface can offer useful alternatives and transparency. Showing similar products, restock estimates, or customizable alerts helps users feel informed rather than pressured. Tracking which replacement items users click reveals what substitutes actually match intent. Observing how long users stay after seeing an unavailable product highlights whether recommendations are engaging or frustrating. Logs of notification sign-ups and return visits can also show if the experience encourages loyalty. These insights can guide smarter recommendation systems, clearer messaging, and personalized updates.