By Richard Heap22 October 2010
If you are in an office reception area, you do not take much notice of who is milling about. Maybe you should. One of them could be undercover
You must be logged in to view premium stories.
Take out a print and online or online only subscription and you will get immediate access to:
To get access to premium content subscribe today
Alternatively REGISTER for a free trial to access up to 4 articles and sign up for email alerts