This document discusses challenges and opportunities for developing future e-commerce platforms (E-commerce 3.0). It outlines how customer data collection and analysis can be used to personalize recommendations, marketing, and other aspects of the customer experience. Key points include: 1) Tracking extensive customer data from on-site, off-site, and mobile interactions to better understand customers. 2) Analyzing the data to generate product recommendations, bundles, and optimized marketing campaigns. 3) Scaling systems horizontally using service-oriented architectures and asynchronous messaging to handle increasing data volumes.