Some call it the Rolls Royce of chalk, the Steinway of writing utensils. Some say it's unbreakable, others say it leaves no dust behind. And it turned the world's brightest minds into hoarders, going to great lengths just for a few sticks of the stuff. Hagoromo chalk developed a cult following among mathematicians and professors. So when the company announced that it would be going out of business, chaos ensued.
Check out the story I wrote for CNN right here.