I had one of those "I wish I'd thought of that" moments last night on the tube home. 

This is one of those simple ideas that, if executed well, could have an enormous positive impact. I will be very interested to see how it develops. They are off to a fantastic start by the looks of it. 

On a completely separate note, its also striking that three very high-quality French entrepreneurs have chosen to set their business up in London. Its fabulous for London that the city and its developing tech ecosystem, is developing such an attraction. Its equally very worrying for France. Its amazing how many very high-quality French professionals are building businesses in London.