Details are sparse, but it sounds like the API will let apps do the raw processing, so that you aren't limited
importing phone photos into lightroom like a weirdo (like you are with those nokias).
Once you sign in with your Apple ID (which I was nervous about handing over to a third party but did anyway), the
phone can
import contacts, calendar appointments, which applications you have installed, notes, reminders, alarms, messages, call logs,
photos and other items stored in iCloud.