How Important is the Alibaba IPO?

Alibaba founder Jack Ma waves as he leaves a hotel in Singapore on September 16, 2014 in advance of the company's upcoming IPO.

The Chinese e-commerce website Alibaba is expected to have one of the largest IPOs ever when it goes public Friday. This week on Money Talking, regular contributors Rana Foroohar of Time magazine and Joe Nocera of the New York Times discuss who benefits, what you really get when you buy a share of the company and how much of a threat Alibaba could be for U.S. internet retailers like Amazon and eBay.