Part of the Serendipity2 Marketing Group, S2 Customer Insight, (S2), is a multiple award winning customer and shopper insight agency with unrivalled expertise in the FMCG, Retail, Grocery, Leisure, Hospitality and Travel sectors. Why It's Vital For Brands And Sellers To Interact With The Customers And Fully understand Buyer Behaviour Why It Is Vital For Brand names And Stores To Have Interaction With The Customers And Have an understanding of Customer Behaviour