“…The discussion about the components of the concept of "expertise" is continued by researchers J. Wai and K. Perina, who raised the question of the criteria of expert knowledge in the field of media (Wai et al, 2011). In the discussion on the criteria of professional journalism, it is also worth noting the work of S. Miller-Carpenter and D. Kanver, in which a set of variables for evaluating expert knowledge was proposed: specialized education, previous professional experience in journalism, awards, specialization, technical skills of the profession and the social role of the author, which is assessed by content analysis of open source materials in social media (Carpenter, Kanver, 2017). The role of journalists as "conductors" of knowledge is interpreted in the work of M. Nisbet and F. Declan (Declan, Nisbet, 2015).…”