The UK Information Commissioner is keeping an eye on this kind of stuff.<p><a href="https:&#x2F;&#x2F;iconewsblog.wordpress.com&#x2F;2016&#x2F;01&#x2F;21&#x2F;how-shops-can-use-your-phone-to-track-your-every-move&#x2F;" rel="nofollow">https:&#x2F;&#x2F;iconewsblog.wordpress.com&#x2F;2016&#x2F;01&#x2F;21&#x2F;how-shops-can-u...</a>