This study has two purposes. First is to explain possible educational utilization of Web 2.0 tools, namely blogs, wikis, podcasts and social networks, from the point of importance of interaction for distance education. The second purpose of this study is to investigate adoption process of Web 2.0 tools in distance education by defining theories and models which have different construct that effect this process. Because the nature and structure of both distance education and Web 2.0 include multifaceted and dynamic variables, the limitation of utilization from only single diffusion, adoption or acceptance model or theory is underlined and it is proposed to handle a holistic view or using different models and theories suitable for research va...