Hannah Wilber writes...
"In my last post, I talked a bit about immersive blocks in ArcGIS StoryMaps, and how they’re powerful tools for getting readers engrossed in the story you’re telling. Well there’s another tool in your toolkit—or, more accurately, block on the block palette—that can help you create the kind of delightful and informative experiences your audience craves.
I’m talking about the embed block. With it, you can add all kinds of things to story maps: Tweets, SoundCloud tracks, Spotify playlists, interactive charts, ArcGIS apps…"
Read more at Enrich your story maps with embedded web content