The Wall Street Journal, March 6, 2009 by Yukari Iwatani Kane
http://online.wsj.com/article/SB123629876097346481.html#printMode
Aaron Perzanowski, a professor specializing in digital copyright law at the University of California Berkeley School of Law, believes developers have “a pretty good” defense under the DMCA if Apple claims what they’re doing is illegal, though it’s largely uncharted legal territory.