As a registered user, you can collect and share documents, create and share your own activities, and access and modify activities created by other educators.
When you create an activity, you can choose to share it with others or keep it private. Shared, or published activities, are available to anyone via the unique URL and to all logged-in users of the site, and receive the CC0 Public Domain Dedication; by sharing or publishing the activity, you waive all copyright and related rights to the extent possible under the law.
When choosing to share/publish an activity, create a unique title to differentiate it from other activities. Activities without unique titles may be unpublished, but will remain saved in the user's account.