You may create a Personal Group composed of network members you want to share your Stuff with (see Creating, Editing, and Deleting a Personal Group).
To add another member to a Personal Group, follow the steps below.
- Select Notebook from the hamburger button
- In Notebook, choose Contacts from the left-hand menu and make sure you have Groups selected.
- Groups contain two column, left for the summary of the group and the right for the details of the group. Scroll down on the details view until you can see Add a Member
- Click the Add a Member
- On the Select Members window, either search for the user to be added to the group using the Search box on top or select from among the users on the list, then click Done.
- Hit Save when done.
That's all there is to it!