Imagine if you could fit all of your Mac's personality -- settings, documents, and even applications -- into your iPhone, and then be able to have any Mac turn into your Mac. According to a source who talked with Cult of Mac's Leander Kahney, the iPhone 5 is expected to allow you to easily perform this type of magic through a Near Field Communication (NFC) capability built into the device.
NFC's initial use would be to turn the iPhone 5 into a passcode-protected electronic wallet or security passkey (like a SecureID fob) that would communicate via the short-range wireless technology to other compatible devices. Apple has recently hired a number of people who specialize in NFC a
