The document discusses some technical and non-technical limitations of B2C e-commerce including protocols not being standardized, insufficient bandwidth, difficulty integrating systems, customer fears around privacy and security, cultural and linguistic challenges, lack of critical mass in certain markets, and resistance to change. It also provides a high-level overview of an e-commerce order processing workflow involving order placement, cancellation, payment processing, shipment tracking, returns and more. Finally, it discusses how virtual fitting rooms can help online shoppers virtually try on clothes and help retailers through increased sales and reduced costs and returns.