Reliving a memory through a video as if you were there is mind blowing type of stuff.
Watching an NFL game as if you were on the field
When I first started messing around with VR devices, I thought these types of experiences would be game changing. But honestly after the initial "wow" wears off, a lot of these types of things just aren't that pleasant in VR. Maybe Apple can find a way to make them so much better than the devices I've got now, I don't know.