Hover on a post and click on the Bookmark icon to mark the post and save it for later reference.
When you bookmark a post, it will be automatically added on the left pane. Clicking on Bookmarks will list all of your bookmarked posts. This is a great way to have quick access to a post that you know you'll want to refer to later.
To know where it was originally posted, simply click on the message and you will be automatically redirected to the original thread where it belongs.
Glip: Conversation Streams