The service NP Shopping is a product, and any product should not stay still nowadays. The work on the service optimization and its interface improvement should be a continuous process in the competitive climate of the present days.In the course of the service long existence, our customer had found out a lot of drawbacks in the work of its interface and the service itself. We wanted to know, which problems had been the most critical for the users. Besides, we were eager to find some new creative insights to approach the redesign substantially
