This article is available at https://www.ft.com/content/f603e438-a4ba-11e7-9e4f-7f5e6a7c98a2 In 1964 Sir Arthur C Clark stood in front of a BBC camera and predicted that by the year 2000 people would be able to communicate instantly with their friends, even when they had no idea where they were. The author of 2001: A Space Odyssey described a world […]