Ph.D. student Sam Burnett developed Collage, a tool that relies on user-generated content sites like Flickr to help citizens in countries oppressed by censorship communicate more openly. The basic idea is to hide censored content in seemingly innocuous photos that are hosted on user-generated content sites like Flickr. Below is a conceptual diagram explaining how Collage works:
For more information about how Collage works, please see the full paper. For more information, and to contribute to or download the code, please see the Collage project home page.
You can also read about Collage in various trade articles:
Colalge also appeared on Slashdot twice; Professor Feamster also recently blogged about Collage, here.
