When we add playlists to the PP:
You may connect with other educators on the Services or invite other educators who have not yet joined by providing their email addresses, accessing social networking accounts, or using the contact list on your mobile device. We do not store your contact list and delete it after it is used for adding contacts as friends.
NO POINTERS TO OFFSITE MARKETPLACES
Forbid links directing to offsite marketplaces.
Add clause prohibiting access to our APIs without a license (no reverse engineering, consent required, no robot attacks, etc).