Forget Starbucks coffee – Gen Z like their drinks ice cold BBCStarbucks has an unexpected growth driver, and it isn’t coffee Revista Merca2.0Starbucks built a $2 billion refresher business and now McDonald’s wants a piece of the cold drink war Kansas City StarGeneration Z increasingly chooses cold drinks over traditional coffee UA.NEWSWhat Is a Refresher Drink? How a Starbucks Favorite Became the Category Every Fast-Food Chain Wants Woman’s World