Jaron Lanier, the Silicone Valley 'computer philosopher', thinks social media is ruining your life. (Click to subscribe for more Channel 4 News videos. https://www.youtube.com/channel4news?sub_confirmation=1) In this interview Jaron Lanier talks about Facebook, YouTube, Google and how the tech and social media giants are using algorithms to record data about their users - and how internet algorithms shape how we see the world and what we're shown online.