Tallan .Inc (tallan.com) is a nationwide, professional technical consulting firm. Provide cutting-edge E-commerce solution for a world top 5 online retailer of photographic equipments.Determine the market positioning. Improve web-based customer experience. Redesign system architecture. Develop business intelligence for sales database; Improve large data integration, daily sales reporting service, and data analyzing. Improve processing performance by 55% increase in efficiency.