Read the passage and choose the best answers.
Graffiti
Graffiti has existed since people learned how to scratch symbols on rocks. Graffiti is any image, symbol or letters made on public property. While some people still make scratches on rocks, concrete or buildings, most graffiti is now made with spray paint or markers.
Is graffiti damaging? Some graffiti is ugly. Some graffiti, called tagging, is just the. It is the name or initials of a person often unreadable. The only purpose of tagging seems to be to quickly spray your initials on as many different surfaces as possible. Nobody likes tags except the taggers.
Is graffiti art? Some graffiti is artistic and takes time, skill and talent to create. It can be nice to look at. The purpose of some graffiti is to spread social messages or political messages. Some cities have places where walls or other surfaces can be used by people to create pieces of graffiti art.

Graffiti has existed since people learned how to scratch symbols on rocks. What is graffiti?