Mobile Phone Detection Signs = pointless?

[Emeye]

Completely pointless and a huge waste of money as far as I can see.

You can make your own mind up.
http://www.fleetnews.co.uk/news/2015/2/17/mobile-p...


Apologies if already posted, but I did do a search.

[750turbo]

Think it was mentioned in SPL? that it is basically non news and a load of bks at the time.