Hi All, Been searching for some details on this but haven't found much. I'm quite familiar with the new Photos for Mac, iCloud Photo Library and migrating from iPhoto to Photos. However, I'm helping a friend who had a large iPhoto library that was all referenced (he maintained a large folder structure of his photos that iPhoto would reference, as opposed to importing those photos into iPhoto). He's migrated to the new Photos app, but still manages photos separately (I haven't seen it in person yet). He's looking to make the switch to iCloud Photo Library now. Any idea what would happen with a large library that's all referenced? Would it import them all into the Photos app/database? I would think that a referenced library wouldn't be possible with iCloud Photo Library enabled? Any thoughts or suggestions are appreciated. Thanks!