There’s a lot of important, unscanned paper in the world, and particularly in the business world. It’s estimated that only 1% of the four billion paper documents circulating through global trade each year are digitized, leaving the rest beyond the analytical powers of machine learning. That's just a rough appraisal of the problem in the business sector; governments also produce a huge amount of printed or paper-bound output, and the US National Archive reported this year that only 4.04% of the…