This PhD thesis deals with the issue of electronic commerce with a primary focus on customers. The reason and purpose of the doctoral thesis is a growing need and increasing requirements for the creation of electronic transactions. Research has been conducted, showing that the scope of electronic commerce is of great importance and will increasingly need to build a broader and more developed network of virtual stores. In the work attention is paid to the very issue of e-commerce and CRM issues. The objectives of thesis are: to define a new model system of electronic commerce, the methodology of the new direction of the electronic business, to propose an appropriate methodology for the new direction of e-commerce and application of new metho...