Pin a topic to the conversations area of the page so that it will display to all site participants that visit the Conversations tool. Pinning allows instructors to bring attention to important topics that matter to the whole class.
Note:
Select the Conversations tool from the Tool Menu of your site.
Click on a topic in the topic list.
In the topic area of the page, click Pin.
Pinned topics appear in a separate section at the top of the topic list. A pin icon (This topic has been pinned) also displays near the title of the topic in the conversations area of the page.
To unpin a pinned topic, begin by clicking on the topic in the topic list.
In the topic area of the page, click Unpin.
You may also pin or unpin a topic by editing the topic and selecting or deselecting the Pinned option in the topic settings.