A soggy crowd swam out to the Times Center Monday afternoon to hear a Digitas-led panel speak about one of the hottest topics of the year: how should we rethink mass marketing in order to leverage our most passionate customers also known as affluencers to help carry brand messages? Moderator Liz Ross of Digitas kicked off the conversation by asking where brand marketers find their most valuable customers and how they help ignite brand-relevant conversations.