Animated Covers - Yay or Nay?

My cover and artwork designer Danielle Fine is always trying to come up with something new. I've seen posts on adding music to ebooks, and a device to be worn that would let readers feel things from the book - I guess a rumble or shake for earthquakes or something.
Gifs aren't a new thing. But I've seen plenty of complaints about them and/or their overuse. They can be very distracting, or in some cases almost blinding!
But Dani had a go at animating one of my book covers as an experiment. I rea...