Banksy, a pseudonymous street artist, has gained global recognition for his thought-provoking and often politically charged stencils that address social and political issues.

Activist Art is a form of art that is explicitly created to promote social or political change. It often addresses issues such as human rights, environmental protection, and social justice.

The Guerrilla Girls are known for wearing gorilla masks to conceal their identities and to emphasize the anonymity of women in the art world.

Keith Haring's (\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1) poster became a symbol of solidarity and awareness during the AIDS crisis, using simple yet powerful imagery to convey a message of hope.

Burning Man is an annual art festival held in the Nevada desert, where artists create large-scale temporary installations that often explore themes of community, sustainability, and social change.

Nan Goldin's work often focuses on marginalized communities, exploring themes of identity, sexuality, and social struggle through her intimate and evocative photographs and videos.

Community Art involves the active participation of community members in the creation of art, often with the aim of addressing local issues, promoting social cohesion, and fostering a sense of collective identity.

Ai Weiwei's installations often address issues of human rights, political oppression, and cultural identity, using everyday objects and materials to create powerful and thought-provoking works.

Conceptual Art emerged as a reaction against traditional notions of art, with artists focusing on the idea or concept behind the work rather than the physical object itself. It often engages with social and political issues.

Christo and Jeanne-Claude are known for their large-scale public art installations that often involve wrapping buildings or natural landscapes in fabric or other materials, drawing attention to environmental issues and promoting sustainability.

Site-Specific Art is created specifically for a particular location, taking into account the unique characteristics of the site and its surroundings. It often responds to the history, culture, and environment of the location.

Marina Abramović is known for her groundbreaking performance art and video installations that explore themes of identity, gender, and sexuality. Her work often involves intense physical and emotional experiences, challenging societal norms and stereotypes.

Global Art emerged as a response to the increasing interconnectedness of the world, with artists from different cultures and backgrounds coming together to address issues of globalization, cultural identity, and postcolonialism.

Maya Lin is known for her large-scale sculptures and installations that explore themes of memory, history, and the passage of time. Her most famous work is the Vietnam Veterans Memorial in Washington, D.C.

Digital Art is created using digital technologies, such as computers, software, and the internet. It can include a wide range of artistic practices, from computer-generated imagery to interactive installations.