In the final work "Internet marketing" we will start with the marketing definition and importance of communication in marketing and emphasizing the sources of communication, messages, recipients and the effects of communication. Then comes the definition of the term Internet and its conjectures. The fourth chapter deals with Internet connectivity and marketing, ie e-Marketing and the techniques being implemented. It is also noted that products that are characteristic of the Internet market are at the same time the most prominent. Particular emphasis has been put on advertising on the Internet and defining the way it is being implemented. For the sake of easier interpretation of "internet marketing" and emphasizing the importance of using these techniques in blue business, a few examples will be listed: Twitter use in branding, Twitter as a promotional tool, electronic commerce, and the advantages and disadvantages of this form of trade; a tool that is more and more present in today; Internet banking.