Evan Roth is one of them. Here are some things from his website:
How to build a fake google street car:
Intellectual Property Donor.
In event of death, donate all intellectual property to the public domain.
Public Domain Countdown until the death of an artist.
Evan Roth is an artist and researcher whose work focuses on technology, open source and popular culture.
Roth has exhibited widely in the Americas, Europe and Asia, including the Sundance Film Festival, the MoMA, the Tate, the Fondation Cartier and te front page of YouTube.
Roth's work explores the overlap between free culture and popular culture.