Question: What are legacy data and what are the options for their incorporation into an e-commerce system? 

Answer: You need to search all of that and its not easy question for an ordinary person. It's either theory or a real practical concept. But i have another qustion for you because i think you are a head of me in e-commerce. What is Switching Cost and Transaction Cost? Are they different from each other or show me their similarities. e-mail me if you have the answer please: jasonafg@yahoo.com
This question from the Yahoo Q&A forum is categorized in the topic: Business & Finance