When we play with 360 degree images and video, our go to website for embedding and getting subsequent links too add these images to our stories is momento360. A while back the company announced it had added Hotdpot Annotation functionality which is a major bonus for us 360 degree fans.
Images, Embeds, Links, Audio, Video, HTML — these now can be presented differently simply by selecting the appropriate type.
For a complete overview, with links to samples and examples, check out their Hotspot Annotations Overview.
Film, Video & Virtual reality 