Photographer Robert Burley takes pictures of the end of analog for his book The Disappearance Of Darkness. Christine Frohnert and Christiane Paul explain why it is difficult to care for digital artworks and Social Media theorist Nathan Jurgenson wants us to understand what is truly revolutionary about ephemeral photographs and platforms like Snapchat. Sponsors: Hellofresh.com (offer code: theory )and Souverain.com