he purpose of the article is the essence of Internet and its capabilities of use in organization’s activities. It mainly concentrates on employment of Internet into contacts of firms with market, marketing is responsible for. Revolt of Internet creates, beside traditional form of market, the new dimension, so called “info sphere” (infospace). E-business, new form of economic activity run beyond time and place is born. Organizations have to function in completely new, previously unknown environment. It is possible to single out two different business models of online economic activity. These are information and transaction models. The potential possibilities of online marketing are enormous. In article we discuss two problems: ro...