Billionaire Zappos CEO Tony Hsieh does Real Biz Rapid Fire plus a look back at the week and 5 things to expect in the week ahead. REAL BIZ WITH REBECCA JARVIS is a weekly show hosted by ABC News Chief Business and Economics Correspondent Rebecca Jarvis f

Real Biz travels to Las Vegas to talk to the CEO of the biggest online retailer of shoes, Zappos, who only has 4 pairs of shoes. We meet an alpaca. And take a look at how Shade Balls are saving California's dwindling water supply.