Korean Convenience Stores Are Becoming Social Beverage Laboratories Cup ice rituals, viral drink hacks, hyper-convenience beverage culture Modern convenience-store culture is increasingly shifting away from simple grab-and-go consumption toward interactive, customizable, and socially shareable food-and-drink experiences. The rise of Korea’s “Ttungba Latte” trend reflects this transformation by turning convenience-store ingredients into DIY beverage rituals centered around cup