This May Be the Blackest Coffee You've Ever Seen

When Ockhyeon Byeon opened Round K coffee shop in New York City, his customers kept on asking him for black coffee. But he noticed people who take their coffee with no sugar or cream still aren't truly getting black coffee. So he and his baristas got to whipping up several different concoctions until they got what they desired. As InsideEdition.com's Stephanie Officer explains, Round K offers up quirky coffee combinations with a history lesson on the side.