LA's new rides...

Would you give a lift to a stranger? Thousands of car owners in the US are doing it every day, to earn a bit more money. Smart phone technology is cheaply connecting people who want a ride with people who have a car, while leaving taxis out of the loop. It’s the sharp end of the “sharing economy" and it’s not just changing the way people get around Los Angeles, as Alastair Leithead reports...