From six months ago, to start public iPhone5 I am really looking forward to. According to the latest consumer survey report shows that a third of the user has in the plan to buy iPhone5, even if they still do not know exactly what kind of function with iPhone5, also don't know the price. The new management in his book, indicate that meet the following a few listed, product demand to be successful: 1. The market demand. Not only is the sight of the needs of the market, and a relatively long period to keep up with the pace of the market evolution. 2. Economic benefit demand. New products for the company to bring the obvious benefits. 3. Usage requirements. Most users and consumers can meet the requirements, and loved with all his/her being. 4. Manufacturing process requirements. Product technology has reached industry leading, will not for product development and lost profits.