主播大秀

It's the most anticipated stock market launch of a social media company since Twitter, and the biggest since Facebook, but is Snapchat owner Snap Inc. really worth $24bn? We find out before trading begins on Thursday.

WeChat is providing banking services to 750 million users a day in China. 主播大秀 reporter Jennifer Pak is in Shenzhen to find out how it all works.

American Airlines has introduced a new procedure to board their planes. If you fly you'll be placed in one of nine categories of passenger that get on in turn. Believe it or not, there's a science to all of this, and we speak to Dr Jason Steffen of the Department of Physics and Astronomy at the University of Nevada to find out more.

Facebook is renowned for almost knowing more about you than you know yourself, but now it could be using that information to help people in need. A new service aims to spot people who may be at risk of suicide by monitoring the posts they make. John Draper from the US National Suicide Prevention Lifeline tells us how.

And discussing those stories with Roger Hearing are our guests Peter Morici, professor of International Business at the University of Maryland, and Simon Littlewood, president of AC Growth Delivered in Singapore.

(Picture Credit: Lionel Bonaventure/AFP/Getty Images)