Spike Jonze's new film Her depicts a writer developing a relationship with his computer operating system. Matthew Sweet and Aleks Krotoski look at what it says about the changing relationship between man and machine as the internet of things develops. Is Big Data the future ? Ian Angell Professor Emeritus at the London School of Economics, historian Tom Holland and Tom Smith discuss our attitude to data past and present. Plus 95 year old Diana Serra Carey - aka Baby Peggy of the silents - remembers Shirley Temple.