Many of them are just straight-up pitch-black, lacking any kind of frame of reference, with one or more lights in them that move on the screen. There's literally no way to tell whether the thing moves or the people just move their phone.
Many of them are just straight-up pitch-black, lacking any kind of frame of reference, with one or more lights in them that move on the screen. There's literally no way to tell whether the thing moves or the people just move their phone.