Sex toys have existed for 28,000 years, so why is there still such a stigma around them? This week we’re talking about the history of sex toys from the ancient world to the present, the evolution and cultural significance of the vibrator in the 19th and 20th centuries, Masters and Johnson’s revolutionary research, the ups and downs of the adult entertainment industry, anti-obscenity laws, and censorship. Our guest is Dr Hallie Lieberman, author of Buzz: A Stimulating History of the Sex Toy