Today, Internet is the largest and most widespread medium that allows two-way communication for users on various devices and locations. Internet can be considered as a medium that enables its customers the largest number of channels, applications and methods of communication. Although the Internet is the latest medium of communication that has emerged in the late 20th century, today it has become the most profitable and financially most convenient. Its benefit is in the fact that the price and the cost of communication at a very large distance is no different than the cost of a communication at short distance. It is this flexibility and financial viability the main reason why this method of communication is being used more and more among all age groups of Internet users. In order to obtain higher efficiency of communication, content on the Internet with text, has increasingly turned towards the use of other multimedia elements such as images, sound, video and animation. Multimedia communication on the Internet is considerably facilitated by Web 2.0 applications that provide quick and easy way for sharing of existing content, as well as creating a new one. The focus of this thesis is aimed to extent and explore the advantages and disadvantages of various forms of multimedia communications in the Web 2.0 environment.