These things have come so far.
these will be TVs, billboards that direct NFC advertise to guests, or provide personalized information (or both), coupled with being moving art, and then simply a mirror.
small demo
insanely large demo (non mirror)

I made something: https://t.co/kv5sVUyJjL pic.twitter.com/qIaLepHkoc
— Max Braun (@maxbraun) February 1, 2016