Federal regulators lifted a cloud of uncertainty Monday when they announced it was lawful to hack or “jailbreak” an iPhone. Jailbreaking is hacking the phone’s OS to allow consumers to run any app on the phone they choose, including applications not authorized by Apple. The Electronic Frontier Foundation asked the U.S. Copyright Office 19 months ago to add jailbreaking to a list of explicit exemptions to the Digital Millennium Copyright Act’s anti-circumvention provisions. At stake for Apple is the very closed business model the company has enjoyed since 2007, when the iPhone debuted. Apple says it’s unlawful to jailbreak, (.pdf) but has not ...