Understanding Apple ID and iCloud

Answer these questions:
- Create a Shared Album with your friends and allow them to upload their pictures as well
- How to you Create a Child Apple ID?
- Create a document in Pages or TextEdit and retrieve it from another device
- How would you check what's taking space in the cloud using your mobile devices?
- How would you do the same from your laptop/Desktop computer?
- How long do your pictures stay in the cloud if you are only using PhotoStream?