It turns out that the winner of the Starbucks-sponsored Betacup Challenge, a design competition aiming to solve the problem of the billions of disposable coffee cups discarded annually, isn't a cup at all. Rather, it's a chalkboard.
Called "Karma Cup," the jury-selected winning concept envisions a chalkboard at the counter of every Starbucks. Bring a reusable cup for your coffee, and you get to put a check mark on the chalkboard. Every 10 check marks, the next person to come in with a reusable cup gets his or her coffee on the house. "Think of … Read more