Below are overview videos for first time parent or student users.  It shows creating an account, buying a yearbook, and customizing pages.
Part 1 - How To Create A Parent Or Student Account & Purchase A Book

Part 2 - How To Add Memories, Photos And Sign Friends' Books

Part 3 - How To Create Personal Yearbook Pages

NBC News segment on TreeRing: NBC News created a piece on TreeRing Yearbooks that was shared with all of their local affiliates across the US. It aired more than 55 times in over 45 different locations. This video is the one that aired in Chicago.