Automation or liberation?
People get worried about automation. Every time Google's driverless cars hit the headlines, journalists fret that the people who drive lorries, taxis, buses and so on - will soon be out of a job. It's probably not true. Trains have drivers even though they can't be steered. Planes have pilots even though much of the flying process is automated. Lorries, taxis and buses are likely to have humans in charge of them for many years to come, even if only to sort out the problem when they break down, or when passengers or cargo create an unexpected situation. With any...