Their written critiques or reviews contribute to art criticism and they are published in newspapers, magazines, books, exhibition brochures, and catalogues and on websites.
Some of today's art critics use art blogs and other online platforms in order to connect with a wider audience and expand debate.
Art critics come from different backgrounds and they may or may not be university trained.
The opinions of art critics have the potential to stir debate on art-related topics.
Conversely, some critics have become particularly important helping to explain and promote new art movements – Roger Fry with the Post-Impressionist movement and Lawrence Alloway with pop art as examples.