Flash Mobs
BBC NEWS: Smart mob storms London, Cheesebikini?, FlockSmart.com, Mob(b)log, Peculiarities of Cyberspace : Flash Mobs, Smart Mobs: The Next Social Revolution, Ten Thousand Smiles, Yahoo! Groups: Flashmobs
Postering
About-Face, Beautiful Angle, Eat the State: Postering's Enemies Regroup, Robbie Conal's Art Attack, Slumber Inc., Toronto Public Space Committee: Postering
Art Crimes
Online journal examining attacks on art and the influence of iconoclasm.
Britney Underground
Features galleries of defaced Britney Spears posters from New York subway stations.
KASTsystem, Inc.
Aims to facilitate communication on an interactive and informative level through subversive intervention into public space.
MSG-INC.ORG
MSG-INC.ORG is a group of Miami-based artists exploring trends in art-making and art-buying and how culture is created.
Northern Arts Tactical Offensive (NATO)
Purveyors of subversive political street art.
Pettek
Subversive art project that aims to run elections for the Israeli parliament, the Knesset.
The Praxis Group
A clandestine group of underground performers staging site-specific, unsanctioned, and unsolicited projects within privately owned public spaces.
Urbanize.org
Aims to reclaiming cities from corporate rule through subversive art.