John Seabrook

By the time of the Civil War, there were many kinds of apples growing across the United States, but most of them didn't taste very good, and as a rule, people didn't eat them. Cider was cheaper to make than beer, and many settlers believed fermented drinks were safer than water. Everyone drank hard cider.

When Spotify launched in the U.S. in 2011, it relied on simple usage-based algorithms to connect users and music, a process known as 'collaborative filtering.' These algorithms were more often annoying than useful.

Between 1939 and 1945 you produced weapons and war equipment valued at thirteen billion dollars, 70 per cent of which you shipped to your allies. The same process is going on today in Canada's much larger and growing industry.