IntroductionThe adoption of Internet media by consumers in the Republic of Serbia as marketing innovations was performed firstly through a literature review and a research on this subject, and then through the presentation of the obtained results and conclusions. The subject of the conducted research is testing consumer habits and preferences in Serbia regarding the use of online direct marketing media for obtaining information on products/services, companies and ordering/purchasing via the Internet. The aim of the research is to learn about the current attitudes in Serbia regarding the adoption of knowledge and technologies related to modern forms of company advertising, communication with their target group and sales, from the consumers' point of view. The research questions are to what extent the consumers in Serbia use innovative forms of communication (via the Internet) with companies for obtaining information about products/services, companies and to what extent they buy online. In the search for answers to these questions, some existing data about using Internet for informing and purchasing without considering the social networks (SORS -Statistical Office of the Republic of Serbia, 2016c; Market Research Agency MASMI, 2016a, 2016b) were used and the following hypotheses of the research were formulated.Research Question: The adoption of Internet media of direct marketing by consumers in the Republic of Serbia as marketing innovations, both in terms of communication between advertisers and consumers as well as contemporary purchasing methods, has been presented in this paper. Motivation: The research in the field of marketing innovations mainly relates to their application by the organizations, and if there is any research on this topic from the perspective of consumers, it is not sufficiently detailed and useful to be of importance for the formulation of marketing strategies in the field of internet marketing. Idea: The methodological approach to studying this topic involves the application of a descriptive-analytical method in order to explain marketing innovations and diffusion of knowledge and technologies in internet marketing. Data: Empirical research has been performed in the period June-July 2017 on the territory of the Republic of Serbia by using the questionnaire survey method. The target group are consumers aged 15 to 64, in order to examine what their habits and preferences regarding the use of the Internet as direct marketing media are, including the frequency of using the Internet as direct marketing media, and especially social networks, for obtaining information on products/services, companies and ordering/purchasing via the Internet. The sample is stratified and it consists of 1,532 respondents. Tools: When processing data and interpreting the results, SPSS was used. Findings: It has been concluded that there is a statistically significant correlation between the consumer's age and the frequency of visiting social networks and following pages that users of these networks like. The number of ...