From the YouTube Creator Blog
When creating content in VR, it’s helpful to know what your viewers are focused on. Today we’re introducing heatmaps for 360-degree and VR videos with over 1,000 views, which will give you specific insight into how your viewers are engaging with your content. With heatmaps, you’ll be able to see exactly what parts of your video are catching a viewer’s attention and how long they’re looking at a specific part of the video.
Full blog post here: