Craigslist is a well-known large-scale classified advertising website in the United States. It was founded in 1995 in the San Francisco Bay Area of ​​California, USA. Although this website only has boring text, it is a free and free information publishing platform. Therefore, it has been favored by the American public and has become the most popular classified website in the United States.

CGHub is a well-known online artist communication community in the United States. It mainly provides a platform for visual artists to share their works and exchange techniques, covering film, television, comics, illustrations, advertising design and other aspects.

AdSoftheWorld is a globally recognized advertising work appreciation network and advertising community website, which gathers outstanding advertising works, graphic design, video production, marketing design and advertising creativity from all over the world for users to share and discuss. At present, the vast majority of graphic creative works on various domestic advertising websites come from the AdSoftheWorld website.