Graffiti is the unauthorized marking of public or private property with paint, ink, or other materials.

Graffiti has been found in ancient Egypt, Greece, and Rome, as well as in other parts of the world.

Graffiti is often illegal, while street art is sometimes legal. Graffiti is usually done with spray paint, while street art can be done with a variety of materials. Graffiti is often done by gangs, while street art is often done by individuals.

Banksy, Keith Haring, and Jean-Michel Basquiat are some of the most famous graffiti artists.

Tags, throw-ups, murals, and stencil graffiti are some of the most common types of graffiti.

Graffiti is a way for hip hop artists to express themselves, mark their territory, and communicate with each other.

Graffiti can be seen as vandalism, a form of artistic expression, and a way to communicate social and political messages.

Graffiti is illegal in most countries, but it is sometimes legal if it is done with the permission of the property owner. Graffiti can also be considered a form of free speech in some countries.

Increased police surveillance, anti-graffiti laws, and education and awareness campaigns are all ways that graffiti can be prevented.

Sandblasting, chemical cleaning, and painting over are all ways that graffiti can be removed.

Graffiti can be used as a form of art, a way to communicate social and political messages, and a way to revitalize communities.

The future of graffiti is uncertain. It is possible that graffiti will continue to be a controversial form of art, that it will become more accepted as a form of art, or that it will become less common as other forms of art become more popular. It is also possible that graffiti will evolve into new forms that we cannot yet imagine.

Tags are the most common type of graffiti. They are simple, one-line drawings that are usually done with a spray can.

Tags and throw-ups are both simple, one-line drawings. The main difference between them is that tags are usually done with a spray can, while throw-ups are usually done with a brush.

Murals are large paintings on walls. They can be done with a variety of materials, including spray paint, acrylic paint, and oil paint.