I found the following posts about what makes a good story in 360 video/VR quite interesting. This goes beyond the static library tools we have in beta, but the ideas are thought provoking and may enrich how we think of even the simplest 360 subject guide:

VR Storytelling Guide by Dejan Gajsek, foundar of VIAR360.

Damiani, Jesse, and Dylan Southard. Writing for VR: The Definitive Guide to VR Storytelling.  VR Scout, Oct. 2, 2017. https://vrscout.com/news/writing-vr-definitive-guide-vr-storytelling