Tomer Gabel Architect, Delver/Sears provides an insightful overview on how they built a Social Ecommerce solution that can handle complex relationship quires in real time. Tomer goes through the architecture consideration behind their solution , why they chose memory over disk, how they partitioned the data to gain scalability, why they chose to execute code with the data using GigaSpaces Map/Reduce execution framework, how they integrated with Facebook and why they chose GigaSpaces over Coherence and Terracotta. Less