The iPhone has quickly become a marketing leader in mobile technology, finding its way into the corporate world and the everyday lives of millions of end users. Its wide range of functionality, combined with its “always on” design, make it an ideal functional, mobile office. “The cost of this productivity is the danger of storing sensitive data on the device,” cautions Jonathan Zdziarski, author of the newly released iPhone Forensics (O’Reilly, US $39.99). “Any given iPhone is likely to contain sensitive information belonging to its owner, and some types of information that may belong to others: corporate email, documents, and photos, to name a few…