Abstract
Concerning new product development projects, product consumers' potential needs are clearly shown. Developing those products that fit such needs is connected to the consumers' degree of satisfaction. During B to C transactions, there are difficulties in hearing investigations as well as when attempting to accurately grasp what kind of products the market is demanding because of the population of the target market. Within this study, opinion information from online is analyzed and important costumers' needs are included with the opinion information during new product development is estimated. In regards to quality, using casual analysis networks regarding opinion information of existing products that did and did not sell are established and consumer needs are then predicted. The opinion information from here is compared and becomes a basis for new product development. Furthermore, the reasons for which a product did not sell are discovered.
