Millennials are redefining the luxury market. Here's how Tiffany's is trying to keep up

Founded in 1837, Tiffany and Co. jewelry spent more than a century as a status symbol. But by 2017, with tastes changing and Millennials putting off marriage, sales were in a serious slide. Here, chief artistic officer Reed Krakoff explains how Tiffany's is getting creative with new designs, cafes, pop-ups, riskier advertising, celebrities and more.