BURLINGTON, Mass.--(BUSINESS WIRE)--Demandware®, Inc. (NYSE: DWRE), the industry-leading provider of enterprise cloud commerce solutions, today released the findings of its Q2 2015 Shopping Index. The Shopping Index measures digital commerce growth and identifies the trends driving that growth based on analysis of same site activity over time. The latest Demandware Shopping Index reveals that shopper attraction, which measures the number of shoppers, was up 18% in the second quarter of 2015 ove