Psst…Wanna buy a bottle of air?

By Stephen Downes - Stephen's Web. Psst…Wanna buy a bottle of air?
Grant Frost, frostededucation, 2016/05/30

Best analogy for 'grit' thus far: "when faced with a decreasing demand for a product in one market segment, the internationally massive and multi-billion dollar testing industry would look to create a new product that meets the increasing demands of another," writes Grant Frost. More...