From homeless, anonymous guy to TV star, at least for one day. Alexandre has appeared on French media , sitting on a bridge in Lyon, while inviting passers-by to give him money by scanning a QR Code with their smartphone .

It is a familiar sight for any city dweller: the truck double parked or stopping traffic on a busy road to deliver some package at a house door. Commercial deliveries are an increasing congestion issue, particularly for European historical city centres.