Got an iPhone? Launch Safari and visit Jailbreakme.com, then move the slider to the right; congratulations, your phone is now jailbroken.
This allows you to do an end run around Apple’s restrictive app store policies. It also lets malicious nogoodniks do an end run around the iPhone and Safari’s security restrictions. Even better, it works on the iPod Touch, iPad, and any other Apple device running the iOS 4.0.1 or later.
Sources:-
http://www.computerworld.com/s/article/9180099/iPhone_jailbreak_exploit_sweet_and_scary_says_researcher?taxonomyId=17&pageNumber=2 http://www.itworld.com/mobile-amp-wireless/112204/why-location-privacy-important http://www.jailbreakme.com/