ASUS Announces World’s Thinnest & Lightest Convertible Laptop – ZenBook Flip S (UX370) ASUS announced ZenBook Flip S (UX370), the world’s thinnest & lightest convertible laptop. The UX370 is mere 11.2mm thin and weighing just 1.1 kg, that ensures the laptop to be the best March 19, 2018 News