Keywords: technological determinism, ethics, the Fourth Industrial Revolution, post-truth, digital ethics, global ethics

Keywords: early modern Livonia, medievalism, nostalgia, Heimatkunde, cultural intertextuality

Keywords: musical, rock opera, Ukrainian theatre, Latvian theatre

Keywords: language acquisition, ethnical identity, social identity, language communicative competence, inter-ethnic communicative competence, social tolerance and detachedness, national self-awareness, social adaptation, orientation of cultural values