> I’m a firm believer that seemingly-innocuous complications, like those found in imperial units of measurement, are in fact significant risks; they impede lear

> I’m a firm believer that seemingly-innocuous complications, like those found in imperial units of measurement, are in fact significant risks; they impede learning, potentially turning people away from areas like maths and science; and their compounding, confounding behaviour on the large scale constrains what we’re capable of achieving as a species. Hey now: one man's impediment is another man's business model. ;-)