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What is media theory? How do media affect our actions, opinions and beliefs? In what ways do media serve powerful political and economic interests? Is media consumerism unhealthy or is it empowering?Key Themes in Media Theory provides a thorough and critical introduction to the key theories of media studies. It is unique in bringing together different schools of media theory into a single, comprehensive text, examining in depth the ideas of key media theorists such as Lasswell, McLuhan, Hall, Williams, Barthes, Adorno, Baudrillard and Bourdieu. Using up-to-date case studies the book embraces media in their everyday cultural forms - music, internet, film, television, radio, newspapers and magazines - to enable a clearer view of the 'big picture' of media theory