How about (I'll add examples of specific work so you won't have to search it out):
Cory Arcangel http://www.beigerecords.com/cory/Things_I_Made/SuperMarioMov...
Mark Hansen and Ben Rubin http://www.earstudio.com/projects/listeningpost.html (see video gallery)
RSG http://r-s-g.org/carnivore/
GRL http://graffitiresearchlab.com/?page_id=76
There's many more. If you're interested in this kind of art there are festivals too:
Bay area: http://01sj.org/
Europe : http://www.aec.at/index_en.php
Various location : http://www.isea-web.org/eng/index.html