Exquisite Forest, Web collaborative art experiment presented by Google and Tate Modern

“This Exquisite Forest is an online collaborative art experiment presented by Google and Tate Modern. The project lets users create short animations that build off one another as they explore a specific theme. It can be accessed via the website exquisiteforest.com and through a physical installation at Tate Modern (www.tate.org.uk)”
more info at http://www.exquisiteforest.com/