It is difficult to predict the future of the book in an era of fast-paced technological change.[20] Anxieties about the "death of books" have been expressed throughout the history of the medium, perceived as threatened by competing media such as radio, television, and the Internet.[21][22] However, these views are generally exaggerated, and "dominated by fetishism, fears about the end of humanism and ideas of techno-fundamentalist progress".[23] The print book medium has proven to be very resilient and adaptable.