The Hidden Danger Edition

On this episode of Slate Money, financial writer Gregory Ip joins Felix Salmon of Fusion, Cathy O'Neil of mathbabe.org, and Slate's Moneybox columnist Jordan Weissmann to discuss: • Greg's new book Foolproof: Why Safety Can Be Dangerous and How Danger Makes Us Safe• Marriott's planed acquisition of the luxury hotel chain Starwood• Square's IPO launch   Check out other Panoply podcasts at itunes.com/panoply.   Email: slatemoney@slate.comTwitter: @Felix salmon, @mathbabedotorg, @JHWeissmann   Podcast production by Zachary Dinerstein   Slate Money is brought to you by Goldman Sachs. Get information about developments currently shaping markets, industries, and the global economy on the firm's podcast -Exchanges at Goldman Sachs - available on iTunes.   And by SAP HANA. SAP HANA helps the world's best companies get the answers they need to become more agile, develop new streams of revenue, and predict the future. Run SAP. And Run Simple. Visit sap.com/reimagine to learn more.   And by MileIQ. If you're one of the 60 million Americans who drive for work then you know that your miles are your dollars. Every mile you don't log is money that you are losing. MileIQ is the only mileage-tracker app that detects, logs, and calculates your miles for you, ensuring that every mile is accounted for and no dollar is lost. Try MileIQ for free today by texting SLATEMONEY to 31996. Learn more about your ad choices. Visit megaphone.fm/adchoices