Sharing notes sounds simple until you ask who sees whom.
In the US Disability Support Services context, the peer note-taker relationship is sensitive: a student receiving support may not want that known, and a note-taker may not want to be identified either.
At the same time, an institution paying for the service needs to manage who is in a collection and check that the notes being shared are good enough to learn from.
The work could not be a bigger version of send a copy.
It needed a role-based model where admins could manage the collection, note-takers could contribute, recipients could access notes anonymously and copied notes became stable artefacts in the recipient account.