Just saw this article,
that jailbreak on iphone and other smartphone are not offence any more,
and you can legally break through the copyright protection, as per the
new exemptions to digital millennium copyright act.

http://www.sfgate.com/cgi-bin/articl...BUMV1EK31O.DTL
http://www.pcworld.com/article/20193...html?tk=hp_new

what do you think is the impact on smartphones ?