This document discusses how brands can use gamification to engage customers and build loyalty. It notes that it is 6-7 times more expensive to acquire a new customer than retain an existing one. Gamification uses elements like rewards, levels, progress, and meaningful choices to motivate customer participation and continued engagement with a brand. Examples are provided of how Club Psych and Samsung Nation saw increased user engagement and loyalty through gamified experiences. While gamification is not always necessary, the document argues it can be a powerful tool when integrated into a brand's content and engagement strategy.