Answer:
Relationship Era
Explanation:
Based on the information provided within the question it can be said that the era that is most likely being referred to in this scenario is the Relationship Era. This is an business era that describes the slow changes made towards the move to long-lasting relationships between the business and it's customers. Which is what Partypolist wants to accomplish by awarding the regular customers every year with discount coupons in order to establish long-lasting relationships.