Neurological research on reward shows that the peak of engagement is often the moment before the outcome, not the outcome itself. That window is where campaign content lives.
A staged mechanic — qualify, shortlist, live final — turns a single-day promotion into a multi-week attention arc. Every stage is a fresh reason to publish, post and talk.
Design the calendar first, the prize second. A prize with no anticipation architecture is a payment; a prize with anticipation is a story.