Yum China Holdings said on Friday it has launched a new AI-enabled hands-free assistant tool at certain KFC stores in a bid to boost efficiency. New CEOEarlier this month, Yum Brands said its finance chief Chris Turner will take over as its CEO from October 1, succeeding company veteran David Gibbs. Gibbs will remain at Yum Brands in an advisory capacity until the end of next year, the company said on Tuesday. ADVERTISEMENTThe company's Taco Bell banner has bucked broader weakness in the restaurant industry for the past several quarters, helped by its value meals and the appeal of its Tex-Mex cuisine. Louisville, Kentucky-headquartered Yum Brands has about 61,000 restaurants globally, including Pizza Hut, Taco Bell, KFC and Habit Burger & Grill.