There's no denying that communication has rapidly changed in the last thirty years, but are we humans keeping up with technology that we are creating? Social media platforms give us many new contexts in which to create and consume communication. How has the way we talk and behave changed since the invention of the internet? Cate talks to Dr Yin Yin Lu, 'doctor of the internet', about rhetoric, talking, and communication in the 21st century. Is it time for a communication revolution?