The Uber effect

Mobile taxi service Uber is currently available in more than 400 cities worldwide - but, in some countries, the company's arrival has been met with protests and calls for more regulation. We're live from a transport café in central London to discuss the effects Uber is having in the taxi and public transport industries.

Photo: taxi app Uber shows how to select a pick-up location;

Credits: Pablo Blazquez Dominguez/Getty Images.