Indeed, the decay of Congo's Belgian-built roads, which in 1960 ran to over 100, 000km, must rank as one of the greatest boons to forests since the Black Death.
Released less than two years ago, it may not have quite redefined video games, but it has arguably been one of the biggest boons to human-computer interaction research in decades.
Among other boons, for the time being we can forget about the deficit, because one thing we know from the Great Depression and Keynesian economics is that in crises like this the government has to get out there and spend.