As we previously reported, Apple has ambitious plans to put users’ Home folders in the cloud to make them available on any machine.
The system will use the iPhone 5, which will likely include a Near Field Communications chip, as an authentication mechanism. Near Field Communication (NFC) is a short-range wireless connection technology that would turn the iPhone into an electronic wallet or security passkey. Bump the iPhone 5 near a compatible NFC-equipped Mac, and the computer will load the user’s home folder and preferences.
However, it was unclear whether users would be able to load all their files onto the host machine. After all, iTunes and iPhoto libraries can get pretty large. Loading a massive iTunes library onto a guest machine from the cloud could be a lot of heavy lifting. And how about the applications to run them? What if the host machine didn’t have Photoshop installed?
Apple’s solution is that only a subset of user’s data and content libraries will be made available, according to a source familiar with a test version of the system. Specifically: