Graffiti is often used as a form of self-expression, allowing individuals to share their thoughts, feelings, and experiences with others.

Graffiti gained widespread recognition as an art form in the 20th century, particularly during the 1970s and 1980s, when it became associated with hip-hop culture and street art.

Murals are typically large-scale paintings created on walls or other surfaces, and are not typically considered a form of graffiti.

Graffiti artists use pseudonyms or tags to protect their identity from legal consequences, create a sense of anonymity, and build a reputation within the graffiti community.

Museums are typically not common locations for graffiti, as they are typically protected and well-maintained.

Graffiti can be a form of art, communication, and protest, allowing individuals to express themselves and share their messages with others.

Graffiti can be tolerated or encouraged as a form of public art to beautify public spaces, promote tourism, and provide a platform for artists to express themselves.

Graffiti can be seen as unsightly, damaging to property, and a form of vandalism, and it can also be used to spread harmful messages.

Product advertising is not a common theme in graffiti activism, as graffiti is typically used to convey personal feelings, political messages, or social commentary.

Graffiti is not always legal, it should not always be done with permission, and it should not be used to spread harmful messages.

Etching is not a common contemporary graffiti style, as it involves carving or scratching into a surface, which is more permanent and destructive than other graffiti techniques.

Moscow is not known for its vibrant graffiti scene, as graffiti is heavily restricted in Russia and often associated with political dissent.

The novel 'The Picture of Dorian Gray' does not feature graffiti as a central theme or element.

Graffiti can be seen as a form of self-expression, a way to convey important messages, and a means to beautify public spaces.

Environmental issues, social justice, and political corruption are all common themes in graffiti activism.