Add to ORKGThis bachelor thesis deals with new trend of internet marketing, it focuses especially on viral marketing. The theoretical part charasterizes the process of viral campaigns, furthermore deals with the components and aspects of on-line environment. Another separated chapter presents social networks, their place in viral marketing and at last but not least the viral video making process. The practical part contains different analyses of specific viral campaigns. The next and equally the last part evaluates the used questionnaires. The aim of the thesis is to illustrate the mechanism of viral marketing, identify the main factors of success and analyze the specifics of Czech viral marketing. In the conclusion I introduce new trends of viral mar...