IDEAS MATTER. We could talk at length about the impact of blockbuster ideas, like the microchip and mass production. But one of our favorite examples has to do with something less celebrated: coffee cup lids.
Many people have already forgotten the ritual they used to perform after ordering their latte or double-shot espresso in a coffee shop. Until fairly recently, customers often had to fumble around the counter looking for the right-size lid, because a medium lid would not do if they were holding a large cup of cappuccino. All ...