The traffic was at a standstill through Cambridge Circus. It was Friday night and every where you looked there were people angrily texting friends to tell them they were going to be late.

There was condensation dripping down the windows that made it seem like the bus was sweating under the pressure of it's passengers expectations.

Then a robotic voice said:

"This bus is changing it's destination. Please wait for further instructions..."

No further instructions came and the over weight middle aged man with a squint who sat next to me said loudly

"Uhh well I guess we're going to Timbuktu then."

We didn't.