I could understand how chalk has a romantic aspect to it, compared to whiteboards. It conjures dusty libraries and hardwood desks. And I think such things have

I could understand how chalk has a romantic aspect to it, compared to whiteboards. It conjures dusty libraries and hardwood desks. And I think such things have a larger impact on abstract thought than many appreciate. But I definitely can't imagine replacing either with PowerPoint, of all things.