“After four years of work, Jodie Archer, a former acquisitions editor, and Matthew Jockers, an academic specializing in computational analysis of style, have been able to ‘predict’ which books were bestsellers and which were not with ‘an average accuracy of 80 percent.’ This means that, out of a randomly selected group of 50 bestsellers and 50 non-bestsellers, the algorithm would predict 40 of each correctly.”