Davos: Can it really achieve anything tangible?

As the World Economic Forum opens in Davos, the BBC's Tanya Beckett asks whether this meeting is anything more than a talking shop.
Its founder and executive chairman Klaus Schwab argues that one benefit is that those attending can develop "emotional intelligence". Meanwhile successful entrepreneur Simon Woodroffe - the founder of YO! Sushi and YOTEL - says he can make better use of his week by floating ideas from home.