Shake Shack says technical glitch caused kiosk tip pricing confusion seen in viral TikTokPublished by9news.comon •1 min readA man posted a TikTok of him and his wife using a self checkout kiosk at Shake Shack to order milkshakes. They said the price increased after they didn't tip.tecnologiaserviço ao clienterede de restaurantesLearn moreShareLegalReport
