In the late 1980s, researchers noticed that some managers were better than other managers at accomplishing goals through social networks (Kotter, 1990) . Other economics and management scholars found, that certain patterns of connections, which individuals build with others, enable them better jobs, higher salary, promotions and overall greater career success (Granovetter, 1974; Burt, 1992) . During the past few years we have witnessed a transformation of many traditional working environment to

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... a IT enabled 'e-workplace' (Arnison & Miller, 2002) . That is why this paper examines what the role of online social networks is in career management and human resources management. It points out at some behaviours of individuals on social networking platforms and also analyses, how companies use online social networks.