A fascinating feature in the new story maps ArcGIS Story Map is the so-called sidecar. (old motorcycles with a seat next to the rider were called sidecars in our region).
Sidecar is based on the principle of a main panel for different types of media such as map, image, video and a side narrative - descriptive panel, in which usually flows text, or again media, but in a smaller format. If you want to create a good and informative SM, then sidecar can be the main key to that. Therefore, I recommend reading this blog about six ways to use sidecar.
