Freedom of speech in journalism in the digital age: features of manifestation and ethical and legal regulation: abstract dissertation for an academic degree candidate of philological sciences: specialty 5.9.9 Media communications and journalism/ Agnistikova Olga Igorevna; Department of National and Global media of the higher school of journalism and media communications of the Institute of social and philosophical sciences and mass communications of the Federal state autonomous educational institution of higher education “Kazan (Volga region) Federal University”