Banking, logistics, surgery, and medical recordkeeping are just a few of the occupations that have already been given over to machines. Manufacturing, which has long been hospitable to mechanization and automation, is becoming more so as the cost of industrial robots drops, especially in relation to the cost of human labor. Algorithms are writing most corporate reports, analyzing intelligence data for the NSA and CIA, reading mammograms, grading tests, and sniffing out plagiarism. Computers fly planes and they compose music and pick which pop songs should be recorded based on which chord progressions and riffs were hits in the past.