A clock shop in Sfax. The title refers to the common term used to describe the modern number system. It was inspired by a recent poll in the USA which showed that 56% of people thought that 'Arabic numerals' shouldn't be taught in schools. More accurately, modern numerals should be described as Indian-Arabic or even Western-Arabic as Arabic cultures do use their own numeral notation, of which only 1 and 9 are similar to those displayed in this image. However, modern numerals are also widely used in Arabic countries and, judging by this clock store, seem especially important for waking up in the morning.