Graffiti Graffiti Graffiti (both singular and plural; the singular "graffito" is very rare in English except in archeology) is writing or drawings made on a wall or other surface, usually without permission and within public view. Graffiti ranges from simple written words to elaborate wall paintings, and it has existed since ancient times, with examples dating back to ancient Egypt, ancient Greece, and the Roman Empire. In modern times, paint (particularly spray paint) and marker pens have become the most commonly used graffiti materials. In most countries, marking or painting property without the property owner's permission is considered defacement and vandalism,
Data (word) using "data" for both singular and plural use, and others recommend treating it only as a singular in connection with computers. The IEEE Computer Society allows usage of "data" as either a mass noun or plural based on author preference, while IEEE in the editorial style manual indicates to always use the plural form. Some professional organizations and style guides require that authors treat "data" as a plural noun. For example, the Air Force Flight Test Center specifically states that the word "data" is always plural, never singular. Data (word) The word data has generated considerable controversy on whether it