Money For Generation Z, iPhone, Apple have the most buzz while Coke and Pepsi are fizzling August 20, 2018Charisse Jones, USA TODAYComments Off on For Generation Z, iPhone, Apple have the most buzz while Coke and Pepsi are fizzling Generation Z is expected to represent 40 percent of all shoppers by 2020. And the iPhone, Apple, Coke and Samsung are getting the most buzz.