An emoji smile has the same effect on the brain as a real smile...and other fascinating reveries.

Werner Herzog is a self-confessed technical luddite and poses a terrifying vision of the future in his documentary Lo and Behold, Reveries of a Connected World.

Senior Film Programmer Kristy Matheson discusses the big questions on technology with MuseumNext speakers Keir Winesmith Head of Web + Digital Platforms at SFMOMA and John O’Shea Senior Exhibition Manager at National Media Museum in this fascinating response to Herzog's documentary.