http://www.guardian.co.uk/commentisf...ansport-london

Dearie me, what a grade A plank.

Reduces dwell times for buses (massively) and reduces the opportunity
for drivers to pocket cash, stops you needing to fumble for change at
the ticket machine, and is just generally A GOOD IDEA.

But no, you think you're being watched by MI5. (like they've nothing
better to do.)