Moderator, Omni, Omni/PR, Omni/Games, FlyerTalk Posting Legend
Join Date: Oct 2004
Location: Between DCA and IAD
Programs: UA 1K MM; Hilton Diamond
Posts: 72,675
FWIW, I didn't see a single instance of it this past weekend at two EU airports or at YYZ. I was carrying 2x cell phones, a Kindle, a laptop, a DSLR, and a tablet, and wasn't asked to turn any of them on, nor was anyone else at the checkpoints that I observed.
YMMV.