This video shows how to add an interactive map to your storymap. It also explains how to include legend information so that storymap readers understand what the map symbology means and understand how to interpret it. Lastly, the video explains how you can have a copy of your ArcGIS Online map open in one browser tab and a copy of the storymap open in a second browser tab to make it easier to make adjustments to your map layers and see the results in the storymap.