This from the Daily Telegraph...
Japanese railway workers face enforced "smile scans" every morning in a bid to boost their customer services, it has been claimed.
Apparently Lord Adonis is very interested in this new technology and is keen to to see its use mandated in future franchise agreements.
Eye understands that a top secret trial of the machine took place at King's Cross as recently as last Wednesday.
The manufacturers have assured the noble Lord that it can be repaired.