Not often do you hear a Newsnight presenter using an arcane mathematical term, but last week was an exception. The culprit was David Grossman, who made an excellent film for Newsnight about the threat to employment from advanced robotics. In the course of this, he made the standard pilgrimage to MIT to interview Erik Brynjolfsson and Andrew McAfee, who have made much of the running in this area with a number of books, of which the most recent is The Second Machine Age. Their argument, said Grossman, was that our society has reached an "inflection point", a concept beloved of those who studied differential calculus ... (full story)