John Locke, a professor of linguistics in New York... Eavesdropping may be socially unacceptable in many quarters, but it is hardwired into us. I think of social eavesdropping, 'recreational eavesdropping' if you like, as actually irrepressible. We have an evolved appetite for information about the personal and private lives of others. Professor Locke has been studying the history of the subject for a new book - Eavesdropping, An Intimate History. (more) (sing-a-long)