Frequently there is a need to communicate with People with same interests or located in the same area. Examples:
For matter of the Machon Tal Term Project Success, the POC would allow flow below:
What essentially happens here, that each participant maintain his own "view" of chat, based on local and incoming posts. Should he ever decide to leave the chat "e.g. dereference the group", copy of all his messages will remain on all participants "exported storage".
The scenario above might be extended to cover more cases like these:
There might be need to for private Memos exchange between two or more parties. In this flow, the sites are essentially "notifying" others what changes they are suggested to do in their own copy of the folder:
At this point the folder of each participant is empty, all participants have their own empty folder and they are subscribed to each other on suggested updates to the folder. Thus every change to the folder content has two flows below:
For change initiator:
For change recipients